How To Fix UJA_EXCEPTION402 - &1 is not allowed,please input -1 or positive number

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 402

• Message text: &1 is not allowed,please input -1 or positive number

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 UJA_EXCEPTION402 - &1 is not allowed,please input -1 or positive number ?

  The SAP error message UJA_EXCEPTION402 typically indicates that a certain input value is not valid for a specific field or parameter in the system. The message suggests that the value you are trying to input is not allowed, and it specifically instructs you to input either -1 or a positive number.
  Cause:
  
  Invalid Input Value: The most common cause of this error is that the value you are trying to enter does not meet the expected criteria. For example, if the system expects a positive integer or -1 (which might represent a special case like "all" or "unlimited"), and you provide a negative number or zero, this error will occur.
  Field Restrictions: Certain fields in SAP have predefined constraints. If the field is designed to accept only specific values, any deviation from those values will trigger this error.
  Configuration Issues: Sometimes, the error can arise from incorrect configuration settings in the system that define what values are acceptable.
  
  Solution:
  
  Check Input Value: Review the value you are trying to input. Ensure that it is either -1 or a positive number as specified in the error message.
  Refer to Documentation: Consult the relevant SAP documentation or help files for the specific transaction or module you are working with. This can provide insights into what values are acceptable.
  Field Validation: If you are unsure about the acceptable values, check the field's properties in the SAP GUI or through the relevant transaction to understand its constraints.
  Contact Support: If you are still unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where you encounter this error, the transaction code you are using may provide additional context. Common transaction codes related to data entry might include those for configuration, reporting, or data maintenance.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  User Forums: Online forums and communities, such as SAP Community or Stack Overflow, can be valuable resources for finding solutions to specific error messages and issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.