How To Fix DT483 - Key width cannot be calculated (&)

DT483 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 483

• Message text: Key width cannot be calculated (&)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT483 - Key width cannot be calculated (&) ?

  The SAP error message DT483 ("Key width cannot be calculated (&)") typically occurs in the context of data dictionary objects, particularly when dealing with database tables or views. This error indicates that the system is unable to determine the width of a key field, which is essential for defining primary keys or unique constraints in database tables.
  Causes:
  
  Data Type Issues: The key field may have an incompatible or unsupported data type that prevents the system from calculating its width.
  Field Length: The length of the key field may not be defined correctly, or it may exceed the maximum allowed length for a key.
  Composite Keys: If the key is a composite key (made up of multiple fields), there may be issues with one or more of the individual fields.
  Missing Attributes: Required attributes for the key field may be missing or incorrectly configured in the data dictionary.
  Database Compatibility: There may be compatibility issues with