Flow price: --
4302eb2f25a00f6fd2622a53cbff577851c8b260e8ea750751329efc86b5c355

Transaction

Hash: 4302eb2f25a00f6fd2622a53cbff577851c8b260e8ea750751329efc86b5c355
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4302eb2f25a00f6fd2622a53cbff577851c8b260e8ea750751329efc86b5c355:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4302eb2f25a00f6fd2622a53cbff577851c8b260e8ea750751329efc86b5c355
Status:
ERROR
Block height:
39843666
Block id:
5fc265e5783f51a17fd6d803967905c76edb23ef9527173a287b5dd04d88863c
Timestamp:
Friday 28 October 2022 at 03:12:37 UTC
()
Proposer:
Authorizers:
Gas used:
48