How To Fix /PM0/ABP_ACTION021 - Cannot save; enter an application number first

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_ACTION -

• Message number: 021

• Message text: Cannot save; enter an application number first

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_ACTION021 - Cannot save; enter an application number first ?

  The SAP error message /PM0/ABP_ACTION021 Cannot save; enter an application number first typically occurs in the context of the SAP Plant Maintenance (PM) module or related applications where an application number is required for processing or saving data.
  Cause:
  This error message indicates that the system requires an application number to be entered before you can save the current transaction or data entry. The application number is often a unique identifier for a specific process, request, or record that needs to be tracked within the system.
  Solution:
  To resolve this error, follow these steps:
  
  
  Enter Application Number: Ensure that you have entered a valid application number in the designated field. This number is usually required for the transaction you are trying to perform.
  
  
  Check Field Requirements: Verify if the application number field is mandatory. If it is, make sure you fill it out before attempting to save.
  
  
  Review Configuration: If you believe you have entered the application number correctly but still receive the error, check the configuration settings in the SAP system. There may be specific settings that dictate how application numbers are generated or required.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or module you are working with. This can provide insights into the requirements for application numbers.
  
  
  User Authorization: Ensure that you have the necessary permissions to enter and save data related to application numbers. Sometimes, user roles and authorizations can restrict access to certain fields.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert. They can provide more detailed assistance based on your specific system configuration and usage.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the PM module, as they may have specific requirements for application numbers.
  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 relevant fixes available.
  Training and Documentation: If you are new to SAP or the PM module, consider undergoing training or reviewing user manuals to better understand the data entry requirements.
  
  By following these steps, you should be able to resolve the error and successfully save your data in the SAP system.