How To Fix RSL_UI124 - Error while processing data. Invalid length for value '&1'

RSL_UI124 - Overview

• Message type: E = Error

• Message class: RSL_UI -

• Message number: 124

• Message text: Error while processing data. Invalid length for value '&1'

What causes this issue?

Value '&V1&' in the file (row &V2&, column &V3&) is longer than the
established length.
The system analyzed the file data to establish the column properties
(data type, length, characteristic/key figure). Only a certain part of
the file was analyzed due to performance reasons.
The error described above did not occur in the analyzed part of the
file.

System Response

The system investigated the value and established the length '&V4&'.

How to fix this error?

Close the data preview and set length &V4& for column &V3&.
You can only set the length if you have activated the <ZK>leading zeros
</> property for the column. Alternatively you can use the <LS>Analyze
Selected Columns</> function in the column overview. The system then
analyzes all the values in the selected columns and sets the properties.
Now perform the operation again.

Procedure for System Administrators

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 RSL_UI124 - Error while processing data. Invalid length for value '&1' ?

  The SAP error message RSL_UI124, which states "Error while processing data. Invalid length for value '&1'", typically indicates that there is an issue with the length of a value being processed in a user interface (UI) context. This error can occur in various scenarios, such as when data is being entered into a form, processed in a report, or transferred between systems.
  Causes:
  
  Data Length Mismatch: The value being processed exceeds the defined length for that field in the database or application logic. For example, if a field is defined to accept a maximum of 10 characters, but the input is 15 characters, this error may occur.
  Incorrect Data Type: The data type of the input value may not match the expected type (e.g., trying to input a string where a numeric value is expected).
  
  Configuration Issues: There may be configuration settings in the SAP system that define the expected lengths for certain fields,