-

Configuration Error (PLCN0007): The task '...' contains too many program instances defined in '...' (current : ..., max. allowed: ...).

The maximum number of program instances per task in the mentioned ESM is exceeded in your project.

In the error message, the actual number of instances and the maximum allowed number of instances are indicated.

Remedy

  1. Double-click the error message to open the 'Tasks and Events' editor of the controller (under the 'PLCnext' node).
  2. Restructure the task configuration: Move program instances to another task.