Flow price: --
23c4587ff8844734de670e34c5b1af5a581b4f65eb822cf88717b5b4da4e3a15

Transaction

Hash: 23c4587ff8844734de670e34c5b1af5a581b4f65eb822cf88717b5b4da4e3a15
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23c4587ff8844734de670e34c5b1af5a581b4f65eb822cf88717b5b4da4e3a15:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
23c4587ff8844734de670e34c5b1af5a581b4f65eb822cf88717b5b4da4e3a15
Status:
ERROR
Block height:
39921043
Block id:
9a8ed7b709d8386bd638a9ef60bb731e9b8f14341c6aa5622076616314db9aa0
Timestamp:
Saturday 29 October 2022 at 10:12:01 UTC
()
Proposer:
Authorizers:
Gas used:
46