# Understand error codes in the Microsoft Yammer connector
<a name="yammer-error-codes"></a>

The following table provides information about error codes you may see for the Microsoft Yammer connector and suggested resolutions.


| Error code | Error message | Suggested resolution | 
| --- | --- | --- | 
| YMR-5001 | Authentication error. | Provide a valid client id, client secret, username, password. | 
| YMR-5002 | Error validating credentials due to invalid username or password.  | Provide a valid username and password. | 
| YMR-5003 | Error validating credentials due to invalid client id or client secret. | Provide valid client id and client secret. | 
| YMR-5004 | Access token is empty or null . | Provide non-empty or non-null access token . | 
| YMR-5100 | Null/empty client id. | Provide client id. | 
| YMR-5101 | Null/empty client secret. | Provide client secret. | 
| YMR-5102 | Null/empty username. | Provide username. | 
| YMR-5103 | Null/empty password. | Provide password . | 
| YMR-5104 | Null/empty since date. | Provide sinceDate . | 
| YMR-5105 | invalid sinceDate format. | since date format should be like YYYY-MM-DDTHH:mm:ss\+00:00. | 
| YMR-5106  | Empty/null Repository configurations. | Provide Repository configurations. | 
| YMR-5107 | Empty/null message entity in repository configuration. | Provide message entity in repository configuration. | 
| YMR-5108 | Empty/null Attachment entity in repository configuration. | Provide attachment entity in repository configuration. | 
| YMR-5109  | Empty/null message entity field mapping. | Provide message entity field mapping. | 
| YMR-5110 | Empty/null attachment entity field mapping. | Provide attachment entity field mapping. | 
| YMR-5111 | Empty/null indexFieldName, indexFieldType or dataSourceFieldName in message entity. | Provide value for indexFieldName, indexFieldType and dataSourceFieldName in message entity.  | 
| YMR-5112 | Empty/null indexFieldName, indexFieldType or dataSourceFieldName in attachment entity. | Provide value for indexFieldName, indexFieldType and dataSourceFieldName in message entity.  | 
| YMR-5113 | Invalid patterns in the regex. | Provide valid regex patterns. | 
| YMR-5114  | Since date should be less than current date.  | Provide since date less than current date.  | 
| YMR-5115  | Only String, Date and Long formats are supported for field mappings. | Provide String, Date and Long formats for field mappings. | 
| YMR-5116 | Null/empty Network Domain. | Provide Network Domain.  | 
| YMR-5117  | Got error while building groups. | Refer to logs for more information. | 
| YMR-5118  | Configuration found null during change access token.  | Please provide valid configurations.  | 
| YMR-5119  | Unable to connect to Yammer account. | Refer to logs for more details. | 
| YMR-5120  | An error occurred during the test connection. | Refer to logs for more details. | 
| YMR-5500  | Bad zip entry. | Provide a valid zip file. | 
| YMR-5501  | Invalid URI. | Provide valid URI. | 
| YMR-5502  | ContinuableInternalServerError. | Try again later. |