How To Fix /SCMUI/UIAPOMD659 - 'Sizing decision' field can only contain T or SPACE

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMUI/UIAPOMD -

• Message number: 659

• Message text: 'Sizing decision' field can only contain T or SPACE

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMUI/UIAPOMD659 - 'Sizing decision' field can only contain T or SPACE ?

  The SAP error message /SCMUI/UIAPOMD659 'Sizing decision' field can only contain T or SPACE typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when there is an issue with the input data for a specific field, in this case, the 'Sizing decision' field.
  Cause:
  The error indicates that the 'Sizing decision' field is expected to contain only specific values, namely 'T' (which usually stands for "Tactical") or a blank space (SPACE). If the field contains any other value, the system will throw this error. This can happen due to:
  
  Incorrect Data Entry: Users may have entered an invalid value in the 'Sizing decision' field.
  Data Migration Issues: If data was migrated from another system, it may have included invalid values.
  Custom Code or Enhancements: If there are custom developments or enhancements that manipulate this field, they may inadvertently set it to an invalid value.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Input Values: Review the input data for the 'Sizing decision' field and ensure it only contains 'T' or SPACE. Correct any invalid entries.
  
  
  Data Validation: Implement validation checks in the user interface or data entry forms to prevent invalid values from being entered in the future.
  
  
  Review Data Migration: If this issue arose after a data migration, check the migration scripts or processes to ensure they are correctly populating the 'Sizing decision' field.
  
  
  Debug Custom Code: If there are custom enhancements or code that interact with this field, review the logic to ensure it adheres to the expected values.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for any specific guidelines regarding the 'Sizing decision' field and its valid values.
  
  
  Testing: After making corrections, test the changes in a development or quality assurance environment before applying them to production.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP SCM/APO that may help in troubleshooting or correcting data (e.g., /SAPAPO/SDP1 for planning book).
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to make changes to the relevant fields.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.