Flow price: --
458d507d5de75afeb5fc35f7c44aeebeee50c821c3df1510cab7727ae471b455

Transaction

Hash: 458d507d5de75afeb5fc35f7c44aeebeee50c821c3df1510cab7727ae471b455
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 458d507d5de75afeb5fc35f7c44aeebeee50c821c3df1510cab7727ae471b455:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
458d507d5de75afeb5fc35f7c44aeebeee50c821c3df1510cab7727ae471b455
Status:
ERROR
Block height:
40121963
Block id:
255f38dcc9df0bac649e753fe9ed60047ac8dfe1aaebd3cf48546ba0513856c6
Timestamp:
Tuesday 1 November 2022 at 18:48:50 UTC
()
Proposer:
Authorizers:
Gas used:
46