Flow price: --
014fb77131a0a55417a0b4ac0658a2f8f9452de20166bf5492e67a3cb1032971

Transaction

Hash: 014fb77131a0a55417a0b4ac0658a2f8f9452de20166bf5492e67a3cb1032971
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 014fb77131a0a55417a0b4ac0658a2f8f9452de20166bf5492e67a3cb1032971:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
014fb77131a0a55417a0b4ac0658a2f8f9452de20166bf5492e67a3cb1032971
Status:
ERROR
Block height:
39791146
Block id:
dc4a348a32c8351d91e5cd7985ffcadb5797506f0bc4393e75b25fe866fd0980
Timestamp:
Thursday 27 October 2022 at 06:00:26 UTC
()
Proposer:
Authorizers:
Gas used:
47