How To Fix TB208 - Key length is greater than field length (&)

TB208 - Overview

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 208

• Message text: Key length is greater than field 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.

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 TB208 - Key length is greater than field length (&) ?

  The SAP error message TB208, which states "Key length is greater than field length (&)," typically occurs when there is a mismatch between the length of a key field and the defined length of the corresponding database field in a table or structure. This can happen in various scenarios, such as when defining a primary key, foreign key, or when working with indexes.
  
  Cause:
  
  Key Definition Mismatch: The key defined for a table or structure exceeds the maximum length allowed for the field it is associated with.
  Data Type Issues: The data type of the key field may not match the data type of the field it is supposed to reference.
  Changes in Table Structure: If the structure of a table has been modified (e.g., changing the length of a field) without updating the associated keys, this error can occur.
  
  
  Solution:
  
  Check Field Lengths: Review the definitions of the key fields and the corresponding database fields.