How To Fix /ISDFPS/MM138 - To use the F4 help, you must enter a purchasing document and item

/ISDFPS/MM138 - Overview

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 138

• Message text: To use the F4 help, you must enter a purchasing document and item

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 /ISDFPS/MM138 - To use the F4 help, you must enter a purchasing document and item ?

  The SAP error message /ISDFPS/MM138 indicates that the system requires a purchasing document and item to be entered before you can use the F4 help functionality. This error typically occurs in the context of materials management or procurement processes within SAP.
  
  Cause:
  
  Missing Purchasing Document: The user has not entered a purchasing document number (like a Purchase Order or Purchase Requisition) in the relevant field.
  Missing Item Number: The user has not specified an item number associated with the purchasing document.
  Contextual Requirement: The F4 help functionality is context-sensitive and requires specific data to provide relevant suggestions or options.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Enter a Purchasing Document: Make sure to input a valid purchasing document number in the designated field. This could be a Purchase Order (PO) or Purchase Requisition (PR) number.
  
  
  Enter an Item Number: If applicable, enter the specific item number related to the purchasing document. This is usually the line item