Flow price: --
af0abb8995bc1f210988c64acad02fb04c6a844cc2523c2aea6c8f540fe5c971

Transaction

Hash: af0abb8995bc1f210988c64acad02fb04c6a844cc2523c2aea6c8f540fe5c971
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af0abb8995bc1f210988c64acad02fb04c6a844cc2523c2aea6c8f540fe5c971:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
af0abb8995bc1f210988c64acad02fb04c6a844cc2523c2aea6c8f540fe5c971
Status:
ERROR
Block height:
40171583
Block id:
bc7fda147d0b824ef124f4d4cedc89c4e6f47a58d7a5dab19a4f6d5fbe008c46
Timestamp:
Wednesday 2 November 2022 at 14:58:53 UTC
()
Proposer:
Authorizers:
Gas used:
50