How To Fix MF335 - Planning calendar &1 used by material &2 &3. Deletion not possible

MF335 - Overview

• Message type: E = Error

• Message class: MF - MPS planning and evaluation

• Message number: 335

• Message text: Planning calendar &1 used by material &2 &3. Deletion not possible

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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MF335 - Details

• The SAP error message MF335 indicates that there is an issue with the planning calendar associated with a specific material. This error typically arises when you attempt to delete a planning calendar that is still in use by one or more materials. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  
  Cause:
  
  Active Planning Calendar: The planning calendar you are trying to delete is currently assigned to a material (or materials) in the system.
  Dependencies: There may be dependencies or configurations that prevent the deletion of the planning calendar while it is still in use.
  Material Master Data: The material master data may still reference the planning calendar, which is why the deletion is not allowed.
  
  
  Solution:
  To resolve the MF335 error, you can follow these steps:
  
  
  Identify the Material: Check the error message details to identify the specific material(s) associated with the planning calendar. The message will typically provide the material