diff --git a/android/location_api/BatchingAPIClient.cpp b/android/location_api/BatchingAPIClient.cpp
index 6022fbfa..73255926 100644
--- a/android/location_api/BatchingAPIClient.cpp
+++ b/android/location_api/BatchingAPIClient.cpp
@@ -157,7 +157,11 @@ void BatchingAPIClient::onBatchingCb(size_t count, Location* location)
         for (size_t i = 0; i < count; i++) {
             convertGnssLocation(location[i], locationVec[i]);
         }
-        mGnssBatchingCbIface->gnssLocationBatchCb(locationVec);
+        auto r = mGnssBatchingCbIface->gnssLocationBatchCb(locationVec);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssLocationBatchCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
diff --git a/android/location_api/GeofenceAPIClient.cpp b/android/location_api/GeofenceAPIClient.cpp
index ee4bfc38..65bd6629 100644
--- a/android/location_api/GeofenceAPIClient.cpp
+++ b/android/location_api/GeofenceAPIClient.cpp
@@ -155,9 +155,13 @@ void GeofenceAPIClient::onGeofenceBreachCb(GeofenceBreachNotification geofenceBr
                 continue;
             }
 
-            mGnssGeofencingCbIface->gnssGeofenceTransitionCb(
+            auto r = mGnssGeofencingCbIface->gnssGeofenceTransitionCb(
                     geofenceBreachNotification.ids[i], gnssLocation, transition,
                     static_cast<GnssUtcTime>(geofenceBreachNotification.timestamp));
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from gnssGeofenceTransitionCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
     }
 }
@@ -173,7 +177,11 @@ void GeofenceAPIClient::onGeofenceStatusCb(GeofenceStatusNotification geofenceSt
         }
         GnssLocation gnssLocation;
         memset(&gnssLocation, 0, sizeof(GnssLocation));
-        mGnssGeofencingCbIface->gnssGeofenceStatusCb(status, gnssLocation);
+        auto r = mGnssGeofencingCbIface->gnssGeofenceStatusCb(status, gnssLocation);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssGeofenceStatusCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
@@ -188,7 +196,11 @@ void GeofenceAPIClient::onAddGeofencesCb(size_t count, LocationError* errors, ui
                 status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
             else if (errors[i] == LOCATION_ERROR_ID_EXISTS)
                 status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_EXISTS;
-            mGnssGeofencingCbIface->gnssGeofenceAddCb(ids[i], status);
+            auto r = mGnssGeofencingCbIface->gnssGeofenceAddCb(ids[i], status);
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from gnssGeofenceAddCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
     }
 }
@@ -204,7 +216,11 @@ void GeofenceAPIClient::onRemoveGeofencesCb(size_t count, LocationError* errors,
                 status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
             else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                 status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
-            mGnssGeofencingCbIface->gnssGeofenceRemoveCb(ids[i], status);
+            auto r = mGnssGeofencingCbIface->gnssGeofenceRemoveCb(ids[i], status);
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from gnssGeofenceRemoveCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
     }
 }
@@ -220,7 +236,11 @@ void GeofenceAPIClient::onPauseGeofencesCb(size_t count, LocationError* errors,
                 status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
             else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                 status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
-            mGnssGeofencingCbIface->gnssGeofencePauseCb(ids[i], status);
+            auto r = mGnssGeofencingCbIface->gnssGeofencePauseCb(ids[i], status);
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from gnssGeofencePauseCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
     }
 }
@@ -236,7 +256,11 @@ void GeofenceAPIClient::onResumeGeofencesCb(size_t count, LocationError* errors,
                 status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
             else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                 status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
-            mGnssGeofencingCbIface->gnssGeofenceResumeCb(ids[i], status);
+            auto r = mGnssGeofencingCbIface->gnssGeofenceResumeCb(ids[i], status);
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from gnssGeofenceResumeCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
     }
 }
diff --git a/android/location_api/GnssAPIClient.cpp b/android/location_api/GnssAPIClient.cpp
index 99b801e9..9fff6954 100644
--- a/android/location_api/GnssAPIClient.cpp
+++ b/android/location_api/GnssAPIClient.cpp
@@ -248,7 +248,11 @@ void GnssAPIClient::onCapabilitiesCb(LocationCapabilitiesMask capabilitiesMask)
             data |= IGnssCallback::Capabilities::MSB;
         if (capabilitiesMask & LOCATION_CAPABILITIES_GNSS_MSA_BIT)
             data |= IGnssCallback::Capabilities::MSA;
-        mGnssCbIface->gnssSetCapabilitesCb(data);
+        auto r = mGnssCbIface->gnssSetCapabilitesCb(data);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssSetCapabilitesCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
     if (mGnssCbIface != nullptr) {
         IGnssCallback::GnssSystemInfo gnssInfo;
@@ -257,7 +261,11 @@ void GnssAPIClient::onCapabilitiesCb(LocationCapabilitiesMask capabilitiesMask)
             gnssInfo.yearOfHw = 2017;
         }
         LOC_LOGV("%s:%d] set_system_info_cb (%d)", __FUNCTION__, __LINE__, gnssInfo.yearOfHw);
-        mGnssCbIface->gnssSetSystemInfoCb(gnssInfo);
+        auto r = mGnssCbIface->gnssSetSystemInfoCb(gnssInfo);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssSetSystemInfoCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
@@ -267,7 +275,11 @@ void GnssAPIClient::onTrackingCb(Location location)
     if (mGnssCbIface != nullptr) {
         GnssLocation gnssLocation;
         convertGnssLocation(location, gnssLocation);
-        mGnssCbIface->gnssLocationCb(gnssLocation);
+        auto r = mGnssCbIface->gnssLocationCb(gnssLocation);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssLocationCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
@@ -353,7 +365,11 @@ void GnssAPIClient::onGnssSvCb(GnssSvNotification gnssSvNotification)
     if (mGnssCbIface != nullptr) {
         IGnssCallback::GnssSvStatus svStatus;
         convertGnssSvStatus(gnssSvNotification, svStatus);
-        mGnssCbIface->gnssSvStatusCb(svStatus);
+        auto r = mGnssCbIface->gnssSvStatusCb(svStatus);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssSvStatusCb description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
@@ -362,8 +378,12 @@ void GnssAPIClient::onGnssNmeaCb(GnssNmeaNotification gnssNmeaNotification)
     if (mGnssCbIface != nullptr) {
         android::hardware::hidl_string nmeaString;
         nmeaString.setToExternal(gnssNmeaNotification.nmea, gnssNmeaNotification.length);
-        mGnssCbIface->gnssNmeaCb(static_cast<GnssUtcTime>(gnssNmeaNotification.timestamp),
-                nmeaString);
+        auto r = mGnssCbIface->gnssNmeaCb(
+            static_cast<GnssUtcTime>(gnssNmeaNotification.timestamp), nmeaString);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssNmeaCb nmea=%s length=%u description=%s", __func__,
+                gnssNmeaNotification.nmea, gnssNmeaNotification.length, r.description().c_str());
+        }
     }
 }
 
@@ -371,8 +391,16 @@ void GnssAPIClient::onStartTrackingCb(LocationError error)
 {
     LOC_LOGD("%s]: (%d)", __FUNCTION__, error);
     if (error == LOCATION_ERROR_SUCCESS && mGnssCbIface != nullptr) {
-        mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_ON);
-        mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_BEGIN);
+        auto r = mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_ON);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssStatusCb ENGINE_ON description=%s",
+                __func__, r.description().c_str());
+        }
+        r = mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_BEGIN);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssStatusCb SESSION_BEGIN description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
@@ -380,8 +408,16 @@ void GnssAPIClient::onStopTrackingCb(LocationError error)
 {
     LOC_LOGD("%s]: (%d)", __FUNCTION__, error);
     if (error == LOCATION_ERROR_SUCCESS && mGnssCbIface != nullptr) {
-        mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_END);
-        mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_OFF);
+        auto r = mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_END);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssStatusCb SESSION_END description=%s",
+                __func__, r.description().c_str());
+        }
+        r = mGnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_OFF);
+        if (!r.isOk()) {
+            LOC_LOGE("%s] Error from gnssStatusCb ENGINE_OFF description=%s",
+                __func__, r.description().c_str());
+        }
     }
 }
 
diff --git a/android/location_api/MeasurementAPIClient.cpp b/android/location_api/MeasurementAPIClient.cpp
index 8e6f48c6..ea1171b0 100644
--- a/android/location_api/MeasurementAPIClient.cpp
+++ b/android/location_api/MeasurementAPIClient.cpp
@@ -146,7 +146,11 @@ void MeasurementAPIClient::onGnssMeasurementsCb(
         if (mGnssMeasurementCbIface != nullptr) {
             IGnssMeasurementCallback::GnssData gnssData;
             convertGnssData(gnssMeasurementsNotification, gnssData);
-            mGnssMeasurementCbIface->GnssMeasurementCb(gnssData);
+            auto r = mGnssMeasurementCbIface->GnssMeasurementCb(gnssData);
+            if (!r.isOk()) {
+                LOC_LOGE("%s] Error from GnssMeasurementCb description=%s",
+                    __func__, r.description().c_str());
+            }
         }
         pthread_mutex_unlock(&mLock);
     }