How To Fix RSDS191 - &1: External length specification for date should have 10 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 191

• Message text: &1: External length specification for date should have 10 characters

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS191 - &1: External length specification for date should have 10 characters ?

  The SAP error message RSDS191 indicates that there is an issue with the external length specification for a date field in a DataSource. Specifically, it states that the length should be 10 characters, which typically corresponds to the format YYYY-MM-DD (e.g., 2023-10-01).
  Cause:
  This error usually occurs when:
  
  The DataSource is expecting a date field to be formatted in a specific way (10 characters), but the input provided does not meet this requirement.
  The date field might be incorrectly defined in the DataSource or in the underlying data structure.
  There may be a mismatch between the expected data type and the actual data being processed.
  
  Solution:
  To resolve the RSDS191 error, you can take the following steps:
  
  
  Check DataSource Definition:
  
  Go to the DataSource definition in the SAP system.
  Verify that the date field is defined correctly with the expected length of 10 characters.
  
  
  
  Validate Input Data:
  
  Ensure that the data being fed into the DataSource is in the correct format (YYYY-MM-DD).
  If you are using a flat file or an external source, check the data format and make sure it adheres to the expected length and format.
  
  
  
  Adjust Data Mapping:
  
  If you are using a transformation or mapping, ensure that the date field is being mapped correctly and that any transformations applied do not alter the expected length.
  
  
  
  Check for Data Type Mismatches:
  
  Ensure that the data type of the date field in the source system matches the expected data type in the DataSource.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the DataSource to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the SAP documentation for DataSources and data types to ensure compliance with the expected formats.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDS191 error in your SAP environment.