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

RSDS191 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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