| Error Code | Cause | Value | Result |
|---|---|---|---|
| 2 | Event name is invalid (empty, too long, invalid characters) | Name of the invalid event | The event is ignored and an error event is logged with a
firebase_error_value parameter which indicates the invalid event name. |
| 3 | Event parameter name is invalid (empty, too long, invalid characters) | Name of the invalid parameter | The event parameter is replaced with a firebase_error parameter (one per
event) and a firebase_error_value parameter is added to indicate the invalid
parameter name. |
| 4 | Event parameter value is too long | Name of invalid parameter | The invalid parameter is dropped. A firebase_error parameter is added to
the event and a firebase_error_value parameter is added to indicate the name of
the parameter with the invalid value. |
| 5 | Event has more than 25 parameters | None | Extra event parameters are dropped. A firebase_error parameter is added to
the event with the value of the error code. |
| 6 | User property name is invalid (empty, too long, invalid characters) | Name of invalid property. | The user property change is ignored. An error event is logged with
a firebase_error_value parameter which indicates the invalid user property name. |
| 7 | User property value is too long | Name of invalid property. | The user property change is ignored. An error event is logged with
a parameter whose value indicates the name of the invalid user property value. |
| 8 | App Instance logs more than 500 unique event types | None | Extra events are dropped. An error event is logged with a
firebase_error parameter which indicates the error code. |
| 9 | App Instance sets more than 25 unique user properties | None | The user property change is ignored. An error event is logged with
a firebase_error parameter which indicates the error code. |
| 10 | App Instance exceeds conversion event limit in a single day | None | Event is logged as a normal (i.e. non-conversion) event. A
firebase_error parameter is added to the event with the value of
the error code. |
| 11 | App Instance logs blocked event | Name of blocked event | Event is ignored. An error event is logged with a
firebase_error_value parameter which indicates the blocked event name. |
| 12 | App Instance sets blocked user property. | Name of blocked user property. | The user property change is ignored. An error event is logged with
a firebase_error_value parameter which indicates the blocked user property. |
| 13 | Event name is reserved | Name of reserved event. | Event is ignored. An error event is logged with a
firebase_error_value parameter which indicates the invalid event name. |
| 14 | Event parameter name is reserved. | Name of reserved parameter. | Event parameter is replaced with a firebase_error parameter
with the value of the error code. A firebase_error_value parameter is added to
indicate the reserved parameter name. |
| 15 | User property name is reserved | Name of reserved user property | The user property change is ignored. An error event is logged with
a firebase_error_value parameter which indicates the invalid user property name. |
| 17 | Parameter array length exceeds limit (200) | Name of truncated parameter array (value) | The array parameter is truncated to 200 items. A firebase_error parameter is
added to the event (one per event) with the value of the error code. A
firebase_error_value parameter is added to indicate the name of the truncated
parameter. |
| 18 | Missing or invalid value parameter type | Name of missing or invalid parameter (value) | The value parameter is dropped. A firebase_error parameter is added to the
event and a firebase_error_value parameter is added to indicate the name of the
parameter that is missing or contains an invalid type (value). |
| 19 | Missing currency parameter on a conversion event | Name of invalid parameter (value) | The value parameter is dropped. A firebase_error parameter is added to the
event and a firebase_error_value parameter is added to indicate the name of the
invalid parameter (value). |
| 20 | Event array parameter name is invalid | Name of invalid parameter (value) | The event parameter is replaced with a firebase_error parameter
(one per event) and a firebase_error_value parameter is added to indicate the
invalid parameter name. |
| 21 | Event does not support array parameters | Name of the invalid event | The event parameter is replaced with a firebase_error parameter
(one per event) and a firebase_error_value parameter is added to indicate the
invalid event name. |
| 22 | Item cannot contain an array-based parameter | Name of invalid parameter (value) | The nested array parameter is replaced with a firebase_error parameter
(one per param) and a firebase_error_value parameter is added to indicate the
invalid param name. |
| 23 | Item cannot contain custom parameters | None | Custom array parameters are dropped. Add a firebase_error parameter with the
value of the error code. |
| 25 | Item array not supported on client's version of Google Play Services (Android Only) | None | Array parameters are dropped. Add a firebase_error parameter with the value
of the error code. |
| 28 | Item has more than 27 custom parameters | None | Extra item parameters are dropped. A firebase_error parameter is added to
the item with the value of the error code. |
To confirm if error events are generated and to understand the cause, check
the device console logs while your application is in debug mode. The SDK
provides diagnostic messages related to these errors.
