Flow price: --
d8f5bb3451ce13ed0cfed93614bae6d08cb7a6f124b40c7e57323bb1cb6f2315

Transaction

Hash: d8f5bb3451ce13ed0cfed93614bae6d08cb7a6f124b40c7e57323bb1cb6f2315
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8f5bb3451ce13ed0cfed93614bae6d08cb7a6f124b40c7e57323bb1cb6f2315:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8f5bb3451ce13ed0cfed93614bae6d08cb7a6f124b40c7e57323bb1cb6f2315
Status:
ERROR
Block height:
40097172
Block id:
cf21c284ecad4a02c1ac8c87249f3f191224eeb52caec79665c1b7881cec4e8f
Timestamp:
Tuesday 1 November 2022 at 08:46:13 UTC
()
Proposer:
Authorizers:
Gas used:
46