How To Fix DDACT018 - The key is longer than the maximum allowed length &

SAP Error Message - Details

• Message type: E = Error

• Message class: DDACT - Messages for Activating Dictionary Objects

• Message number: 018

• Message text: The key is longer than the maximum allowed length &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDACT018 - The key is longer than the maximum allowed length & ?

  The SAP error message DDACT018 indicates that a key being used in a data dictionary object (such as a table or a view) exceeds the maximum allowed length. This typically occurs when you are trying to define a key field that is longer than the system's limitations.
  
  Cause:
  
  Key Length Exceeded: The most common cause of this error is that the key field you are trying to define has a length that exceeds the maximum allowed length for keys in SAP. In SAP, the maximum length for a key field is usually 255 characters.
  Data Type Issues: If you are using a data type that inherently has a longer length than allowed for keys, this can also trigger the error.
  Concatenated Keys: If you are trying to create a composite key (a key made up of multiple fields), the total length of the concatenated key fields may exceed the limit.
  
  
  Solution:
  
  Check Key Length: Review the