Flow price: --
67bc15dbd75beaccc163845be73f5d73e95fce96506af283fc5fd08f14662701

Transaction

Hash: 67bc15dbd75beaccc163845be73f5d73e95fce96506af283fc5fd08f14662701
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 67bc15dbd75beaccc163845be73f5d73e95fce96506af283fc5fd08f14662701:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
67bc15dbd75beaccc163845be73f5d73e95fce96506af283fc5fd08f14662701
Status:
ERROR
Block height:
39938245
Block id:
cb7cae2d3dcf87f70d030bfdeffd6c249093d099e54e4a967e7356ed16029c75
Timestamp:
Saturday 29 October 2022 at 17:09:24 UTC
()
Proposer:
Authorizers:
Gas used:
46