| T2069 | WARNING: T2069 | INPUT REFERENCES AN UNDEFINED GRID id IN FIELD field |
| Cause: | A data input file (DATINPUT1 or DATINPUT2) referenced a grid point that does not exist in the model database. | |
| Action: | Change reference to an existing grid point identification number or add the referenced grid to the model. | |
| Remarks: | None. |