Flow price: --
493d29122a479eb6d2bfdd42a85e1ea5d7b2963a8b7f3f7a09824908d9fb2553

Transaction

Hash: 493d29122a479eb6d2bfdd42a85e1ea5d7b2963a8b7f3f7a09824908d9fb2553
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 493d29122a479eb6d2bfdd42a85e1ea5d7b2963a8b7f3f7a09824908d9fb2553:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
493d29122a479eb6d2bfdd42a85e1ea5d7b2963a8b7f3f7a09824908d9fb2553
Status:
ERROR
Block height:
39736716
Block id:
e65494ade246b5e0938a8a535272877c5969ff8db0fd4e5d07d5cbe44fa855b4
Timestamp:
Wednesday 26 October 2022 at 08:05:37 UTC
()
Proposer:
Authorizers:
Gas used:
50