Flow price: --
ce949a94c585934aa4a0ff1f05c166837482b918cf4a1d781e1c76799375eac2

Transaction

Hash: ce949a94c585934aa4a0ff1f05c166837482b918cf4a1d781e1c76799375eac2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ce949a94c585934aa4a0ff1f05c166837482b918cf4a1d781e1c76799375eac2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ce949a94c585934aa4a0ff1f05c166837482b918cf4a1d781e1c76799375eac2
Status:
ERROR
Block height:
39991146
Block id:
3f26d2951d3ae8dac00890956b66e7fdafd2a6130eb8d5a44217a6a4bc71b40e
Timestamp:
Sunday 30 October 2022 at 14:12:57 UTC
()
Proposer:
Authorizers:
Gas used:
50