Flow price: --
23b620cbb54cbbdbe16bbbf03156429b4c92d38a25f34ac8a5ab3c9c3e9638ad

Transaction

Hash: 23b620cbb54cbbdbe16bbbf03156429b4c92d38a25f34ac8a5ab3c9c3e9638ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23b620cbb54cbbdbe16bbbf03156429b4c92d38a25f34ac8a5ab3c9c3e9638ad: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:
23b620cbb54cbbdbe16bbbf03156429b4c92d38a25f34ac8a5ab3c9c3e9638ad
Status:
ERROR
Block height:
40130337
Block id:
d3f8b1d0c0988dc4c1f9cfde10d38931773f96c322983cc6c9c0203a613fcd22
Timestamp:
Tuesday 1 November 2022 at 22:15:05 UTC
()
Proposer:
Authorizers:
Gas used:
50