Flow price: --
c182cae55bfed8b231b0014f7b1eab336622af1e71e6002b3453468b371ce991

Transaction

Hash: c182cae55bfed8b231b0014f7b1eab336622af1e71e6002b3453468b371ce991
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c182cae55bfed8b231b0014f7b1eab336622af1e71e6002b3453468b371ce991:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c182cae55bfed8b231b0014f7b1eab336622af1e71e6002b3453468b371ce991
Status:
ERROR
Block height:
40033561
Block id:
da3b8a0583d907890e90753da966ea34a4a6e97f47d4a10472090461361f208f
Timestamp:
Monday 31 October 2022 at 07:09:30 UTC
()
Proposer:
Authorizers:
Gas used:
46