How To Fix AD186 - Key to table & is too long

AD186 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 186

• Message text: Key to table & is too long

What causes this issue?

The sum of the field lengths of all key fields of the table exceeds the
allowed value.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either remove fields from the key or reduce the length of the key
fields.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD186 - Key to table & is too long ?

  The SAP error message AD186 ("Key to table & is too long") typically occurs when you are trying to insert or update a record in a database table, and the key length exceeds the maximum allowed length for that table. This can happen in various scenarios, such as when using custom tables or when the data being processed exceeds the defined key length in the database schema.
  
  Cause:
  
  Key Length Exceeded: The primary cause of this error is that the key (or combination of keys) you are trying to use for a table exceeds the maximum length defined for that table in the database.
  Data Type Mismatch: If the data type of the key fields is not appropriate (e.g., using a CHAR type with a length that exceeds the defined limit), it can lead to this error.
  Concatenated Keys: If the key is a combination of multiple fields, the total length of these fields