How To Fix /SAPAPO/OO_TR_CLASS016 - SIGN field is not CHAR1 type

/SAPAPO/OO_TR_CLASS016 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OO_TR_CLASS -

• Message number: 016

• Message text: SIGN field is not CHAR1 type

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OO_TR_CLASS016 - SIGN field is not CHAR1 type ?

  The SAP error message /SAPAPO/OO_TR_CLASS016 SIGN field is not CHAR1 type typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data type of a field that is expected to be a single character (CHAR1) but is not.
  
  Cause:
  
  
  Data Type Mismatch: The error indicates that a field that is expected to be of type CHAR1 (which can only hold a single character, such as 'Y' or 'N') is receiving a value that does not conform to this requirement. This could happen if:
  
  The field is being populated with a string longer than one character.
  The field is being populated with a non-character value (e.g., numeric or special characters).
  There is a programming error in a custom ABAP program or user exit that is incorrectly handling the data.
  
  
  
  
  Configuration Issues: Sometimes, the configuration settings in APO or the integration with other SAP modules may lead to incorrect