| PRO_TK_NO_ERROR | | The function successfully stored the model along with all its subordinate models, according to their modification status and the configuration option 'save_objects'. |
| PRO_TK_CANT_WRITE | | Failed to save the model or at least one of its subordinate models due to unresolved non-overridable conflicts in the target location. To obtain the exact list of models that were not saved a notification on PRO_MDL_DBMS_FAILURE event can be applied. |
| PRO_TK_GENERAL_ERROR | | The entire operation failed. |
| PRO_TK_BAD_INPUTS | | The argument is invalid. |
| PRO_TK_NO_PERMISSION | | The function does not have permission to operate on this model. |
| PRO_TK_BAD_CONTEXT | | The function is not available in Design Test Mode. |