Flow price: --
c864515aa75b7e6b74af22fe2dad2de661c261381cf85073f6b2b9f328be29e8

Transaction

Hash: c864515aa75b7e6b74af22fe2dad2de661c261381cf85073f6b2b9f328be29e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c864515aa75b7e6b74af22fe2dad2de661c261381cf85073f6b2b9f328be29e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c864515aa75b7e6b74af22fe2dad2de661c261381cf85073f6b2b9f328be29e8
Status:
ERROR
Block height:
39997808
Block id:
9931a50fb80acc8b7a17cb97bd92962e0f952742f9666fbd7599e59da6071fa0
Timestamp:
Sunday 30 October 2022 at 16:52:59 UTC
()
Proposer:
Authorizers:
Gas used:
50