Flow price: --
1117d5ef1f3a0a99822a9e6e428ccd0bf80839e7d7c52942157a4f1ddf8ef985

Transaction

Hash: 1117d5ef1f3a0a99822a9e6e428ccd0bf80839e7d7c52942157a4f1ddf8ef985
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1117d5ef1f3a0a99822a9e6e428ccd0bf80839e7d7c52942157a4f1ddf8ef985:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1117d5ef1f3a0a99822a9e6e428ccd0bf80839e7d7c52942157a4f1ddf8ef985
Status:
ERROR
Block height:
39903066
Block id:
4dca22a568dc1da238029285284399f31f1f523f4c45223053f2d2ef6ec083c0
Timestamp:
Saturday 29 October 2022 at 02:58:55 UTC
()
Proposer:
Authorizers:
Gas used:
47