Flow price: --
5603d539047c4e345cbda129c6386bad5a96afbb1d4db29d72d96e1d27d43752

Transaction

Hash: 5603d539047c4e345cbda129c6386bad5a96afbb1d4db29d72d96e1d27d43752
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5603d539047c4e345cbda129c6386bad5a96afbb1d4db29d72d96e1d27d43752:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5603d539047c4e345cbda129c6386bad5a96afbb1d4db29d72d96e1d27d43752
Status:
ERROR
Block height:
39926987
Block id:
8d0c312ff0523a93e9226df290b5d5c44e345037b8c5aaa0f7bfa240f6ec261f
Timestamp:
Saturday 29 October 2022 at 12:35:55 UTC
()
Proposer:
Authorizers:
Gas used:
47