| ERROR | BYWEEKNO clause is only supported when FREQ=YEARLY |
| CAUSE | A repeat interval or calendar contained a BYWEEKNO clause with a frequency other than yearly. |
| ACTION | Remove the BYWEEKNO clause or change the frequency to yearly. |
| ERROR | BYWEEKNO clause is only supported when FREQ=YEARLY |
| CAUSE | A repeat interval or calendar contained a BYWEEKNO clause with a frequency other than yearly. |
| ACTION | Remove the BYWEEKNO clause or change the frequency to yearly. |