Flow price: --
0b99bdf77723d3603b88da9e176eab62ece35d7e135dae428f9a6e667e8dd763

Transaction

Hash: 0b99bdf77723d3603b88da9e176eab62ece35d7e135dae428f9a6e667e8dd763
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0b99bdf77723d3603b88da9e176eab62ece35d7e135dae428f9a6e667e8dd763:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0b99bdf77723d3603b88da9e176eab62ece35d7e135dae428f9a6e667e8dd763
Status:
ERROR
Block height:
39866572
Block id:
4af328df6c1d4e4941eeeebcca2e3b3dd961672d9628a334144448f237681d2a
Timestamp:
Friday 28 October 2022 at 12:26:56 UTC
()
Proposer:
Authorizers:
Gas used:
50