How To Fix K1006 - Internal error: end date & is before the start date & (&, &)

K1006 - Overview

• Message type: E = Error

• Message class: K1 - Cost Object Controlling Interface

• Message number: 006

• Message text: Internal error: end date & is before the start date & (&, &)

What causes this issue?

You can only use the function selected if you have authorization.

System Response

You have no authorization for order type &v1&.

How to fix this error?

Select another order type or an order with another order type.

Error message extract from SAP system. Copyright SAP SE.

K1006 - Details

• The SAP error message K1006, which states "Internal error: end date & is before the start date & (&, &)," typically occurs in the context of controlling (CO) or project management modules when there is an inconsistency in date settings for a cost center, internal order, or project. This error indicates that the system has detected that the end date of a certain period is set before the start date, which is logically incorrect.
  Causes:
  
  Incorrect Date Entries: The most common cause is that the user has entered an end date that is earlier than the start date in a transaction or configuration.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  Configuration Errors: Incorrect settings in the controlling area or project definitions can lead to this error.
  User Input Errors: Manual entry errors during the creation or modification of cost centers, internal orders,