C:\Users\flo08\Documents\Arduino\esp32-avrc-a2dp-test\esp32-avrc-a2dp-test.ino: In function 'void setup()':

esp32-avrc-a2dp-test:349: error: 'ret' was not declared in this scope

         ESP_LOGE(BT_AV_TAG, "%s initialize controller failed: %s\n", __func__, esp_err_to_name(ret));

                                                                                                ^

C:\Users\flo08\Documents\Arduino\hardware\espressif\esp32\cores\esp32/esp32-hal-log.h:105:72: note: in definition of macro 'log_e'

 #define log_e(format, ...) log_printf(ARDUHAL_LOG_FORMAT(E, format), ##__VA_ARGS__)

                                                                        ^

C:\Users\flo08\Documents\Arduino\esp32-avrc-a2dp-test\esp32-avrc-a2dp-test.ino:349:9: note: in expansion of macro 'ESP_LOGE'

         ESP_LOGE(BT_AV_TAG, "%s initialize controller failed: %s\n", __func__, esp_err_to_name(ret));

         ^

esp32-avrc-a2dp-test:354: error: 'ret' was not declared in this scope

         ESP_LOGE(BT_AV_TAG, "%s enable controller failed: %s\n", __func__, esp_err_to_name(ret));

                                                                                            ^

C:\Users\flo08\Documents\Arduino\hardware\espressif\esp32\cores\esp32/esp32-hal-log.h:105:72: note: in definition of macro 'log_e'

 #define log_e(format, ...) log_printf(ARDUHAL_LOG_FORMAT(E, format), ##__VA_ARGS__)

                                                                        ^

C:\Users\flo08\Documents\Arduino\esp32-avrc-a2dp-test\esp32-avrc-a2dp-test.ino:354:9: note: in expansion of macro 'ESP_LOGE'

         ESP_LOGE(BT_AV_TAG, "%s enable controller failed: %s\n", __func__, esp_err_to_name(ret));

         ^

esp32-avrc-a2dp-test:359: error: 'ret' was not declared in this scope

         ESP_LOGE(BT_AV_TAG, "%s initialize bluedroid failed: %s\n", __func__, esp_err_to_name(ret));

                                                                                               ^

C:\Users\flo08\Documents\Arduino\hardware\espressif\esp32\cores\esp32/esp32-hal-log.h:105:72: note: in definition of macro 'log_e'

 #define log_e(format, ...) log_printf(ARDUHAL_LOG_FORMAT(E, format), ##__VA_ARGS__)

                                                                        ^

C:\Users\flo08\Documents\Arduino\esp32-avrc-a2dp-test\esp32-avrc-a2dp-test.ino:359:9: note: in expansion of macro 'ESP_LOGE'

         ESP_LOGE(BT_AV_TAG, "%s initialize bluedroid failed: %s\n", __func__, esp_err_to_name(ret));

         ^

esp32-avrc-a2dp-test:364: error: 'ret' was not declared in this scope

         ESP_LOGE(BT_AV_TAG, "%s enable bluedroid failed: %s\n", __func__, esp_err_to_name(ret));

                                                                                           ^

C:\Users\flo08\Documents\Arduino\hardware\espressif\esp32\cores\esp32/esp32-hal-log.h:105:72: note: in definition of macro 'log_e'

 #define log_e(format, ...) log_printf(ARDUHAL_LOG_FORMAT(E, format), ##__VA_ARGS__)

                                                                        ^

C:\Users\flo08\Documents\Arduino\esp32-avrc-a2dp-test\esp32-avrc-a2dp-test.ino:364:9: note: in expansion of macro 'ESP_LOGE'

         ESP_LOGE(BT_AV_TAG, "%s enable bluedroid failed: %s\n", __func__, esp_err_to_name(ret));

         ^

exit status 1
'ret' was not declared in this scope