How To Fix LB311 - Value &1 is not allowed. Please enter a positive value

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 311

• Message text: Value &1 is not allowed. Please enter a positive value

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 LB311 - Value &1 is not allowed. Please enter a positive value ?

  The SAP error message LB311 ("Value &1 is not allowed. Please enter a positive value") typically occurs in the context of inventory management or logistics when a user attempts to enter a value that is either negative or zero in a field that requires a positive value. This can happen in various transactions, such as when creating or modifying stock movements, purchase orders, or other related documents.
  Cause:
  
  Negative or Zero Value: The most common cause is that the user has entered a negative number or zero in a field that only accepts positive values. This could be in quantity fields, pricing fields, or other numerical inputs.
  Configuration Issues: There may be configuration settings in the system that enforce certain rules about acceptable values for specific fields.
  Data Entry Errors: Simple typographical errors during data entry can lead to this message.
  
  Solution:
  
  Check Input Values: Review the values you have entered in the relevant fields. Ensure that all numerical inputs are positive and greater than zero.
  Correct Data Entry: If you find any negative or zero values, correct them to positive values and try to save or process the transaction again.
  Review Configuration: If you believe the input is correct but still receive the error, check with your SAP administrator or functional consultant to review the configuration settings related to the transaction you are working on.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction to understand the requirements for the fields you are working with.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to inventory management, such as MIGO (Goods Movement), MB1A (Goods Withdrawal), or ME21N (Create Purchase Order).
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the transaction, as sometimes restrictions can lead to unexpected errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  
  If the issue persists after checking these aspects, it may be beneficial to reach out to your SAP support team for further assistance.