Flow price: --
163e5b2275fc6303a1890f07f67d888d4a42ce63ae875c303e8b224445f5b166

Transaction

Hash: 163e5b2275fc6303a1890f07f67d888d4a42ce63ae875c303e8b224445f5b166
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 163e5b2275fc6303a1890f07f67d888d4a42ce63ae875c303e8b224445f5b166:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
163e5b2275fc6303a1890f07f67d888d4a42ce63ae875c303e8b224445f5b166
Status:
ERROR
Block height:
40060370
Block id:
cc9afd9bd723ad4ec09a0348831158e3146715a483891f39f7e6e6820b7136d6
Timestamp:
Monday 31 October 2022 at 17:58:25 UTC
()
Proposer:
Authorizers:
Gas used:
50