How To Fix DMC_RT_MSG631 - Mandatory field &1 of staging table &2 cannot be empty; enter valid data

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 631

• Message text: Mandatory field &1 of staging table &2 cannot be empty; enter valid data

&Cause&
There are some records containing empty mandatory fields in the staging
table.
&Procedure&
Find out these records in this staging table in the database using SQL
queries such as the following one and enter valid data in the mandatory
fields.
<AB>SELECT * FROM <Staging_Table_Name> WHERE <Mandatory_Field_Name> =
<(><<)>Initial_Value></>
where
<Staging_Table_Name> is the name of the staging table.
<Mandatory_Field_Name> is the name of the mandatory field.
<(><<)>Initial_value> is the default value of the mandatory field or
space. To get the default value for a field, check the Default column of
the staging table in the database.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG631 - Mandatory field &1 of staging table &2 cannot be empty; enter valid data ?

  The SAP error message DMC_RT_MSG631 indicates that a mandatory field in a staging table cannot be left empty. This error typically occurs in the context of data migration or data transfer processes, particularly when using SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  
  Mandatory Field Requirement: The field specified in the error message is defined as mandatory in the staging table. This means that the system requires a value to be entered for this field before proceeding with the data processing.
  Data Mapping Issues: There may be a problem with the data mapping or transformation rules that are supposed to populate this mandatory field.
  Source Data Issues: The source data being loaded into the staging table may not contain valid values for the mandatory field, leading to it being empty.
  Configuration Errors: There could be configuration issues in the data migration settings that are causing the mandatory field to be overlooked.
  
  Solution:
  
  Check the Staging Table: Review the structure of the staging table to identify which field is mandatory and ensure that it is populated with valid data.
  Validate Source Data: Ensure that the source data being used for the migration contains valid entries for the mandatory field. If the source data is missing values, you may need to correct it before proceeding.
  Data Mapping Review: Check the data mapping configuration to ensure that the mandatory field is correctly mapped to a corresponding field in the source data.
  Input Data Correction: If you are manually entering data, make sure to fill in all mandatory fields before executing the data migration process.
  Error Logs: Review any error logs or detailed messages provided by the SAP system to get more context on the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific module you are working with for detailed information on mandatory fields and data requirements.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like LSMW, DMC, etc.) that may help in troubleshooting data migration issues.
  
  By addressing the above points, you should be able to resolve the DMC_RT_MSG631 error and successfully complete your data migration or transfer process.