To troubleshoot the error message "Npsp,TDTMCContact

of AfterUpdate caused by : System,SObjectException

field gender_c Contact (npsp)," the admin should:

Check for Invalid Values:

The error indicates that there might be invalid values in the gender field on Contact records.

Review the values in the gender field across the Contact records to ensure they conform to the expected values (e.g., Male, Female, Non-binary).

Steps to Verify and Correct Values:

Use Salesforce reports or data export tools to extract Contact records with gender values.

Check for any discrepancies or invalid entries.

Correct the invalid values by updating the records with appropriate values.

Review Field Mappings and Settings:

Ensure that any field mappings related to the gender field in Relationship settings or Reciprocal Relationships are correctly configured.

By ensuring the gender field values are valid, the admin can resolve the error and ensure smooth execution of the after-update trigger.