Flow price: --
11679311f090934bfcda24ba7ff8d7122e72c99ed4d097fd8a933ceb36082b12

Transaction

Hash: 11679311f090934bfcda24ba7ff8d7122e72c99ed4d097fd8a933ceb36082b12
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 11679311f090934bfcda24ba7ff8d7122e72c99ed4d097fd8a933ceb36082b12:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
11679311f090934bfcda24ba7ff8d7122e72c99ed4d097fd8a933ceb36082b12
Status:
ERROR
Block height:
39932707
Block id:
1378872d6dbec3e8c576652e085c3653f009253e31c5b58b19bc7fd766458909
Timestamp:
Saturday 29 October 2022 at 14:55:05 UTC
()
Proposer:
Authorizers:
Gas used:
47