Flow price: --
61a209a6c839eeb7295902a289a5785bee2caa6b6d63a43e047ea046587debe6

Transaction

Hash: 61a209a6c839eeb7295902a289a5785bee2caa6b6d63a43e047ea046587debe6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 61a209a6c839eeb7295902a289a5785bee2caa6b6d63a43e047ea046587debe6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
61a209a6c839eeb7295902a289a5785bee2caa6b6d63a43e047ea046587debe6
Status:
ERROR
Block height:
40048781
Block id:
bcabdf03e89a315579b6f546a4033bac37966be16cc69f187c2aa9f7c41b9916
Timestamp:
Monday 31 October 2022 at 13:16:31 UTC
()
Proposer:
Authorizers:
Gas used:
46