ora-26051: internal error parsing packed decimal format string

Cause: A packed decimal field with a non-zero scale factor is mapped to a character column. In order to perform the datatype conversion, a numeric format string must be created based on the input field's precision and scale specifications. Direct path loader encountered an error in creating this format string.
Action: Examine the packed decimal field's precision and scale specifications and make sure that they contain valid values.

error interno al analizar la cadena de formato decimal empaquetado
erreur interne lors de l'analyse d'une chaîne au format décimal condensé
Interner Fehler beim Parsing einer gepackten Zeichenfolge im Dezimalformat
erro interno na análise da cadeia de caracteres de formato decimal compactado
ora-06908 ora-34410 ora-54529