Flow price: --
bff43bba661d527558e689a89df16be89a2d033f5661e3e8a62bd3988fcf4c7f

Transaction

Hash: bff43bba661d527558e689a89df16be89a2d033f5661e3e8a62bd3988fcf4c7f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bff43bba661d527558e689a89df16be89a2d033f5661e3e8a62bd3988fcf4c7f: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:
bff43bba661d527558e689a89df16be89a2d033f5661e3e8a62bd3988fcf4c7f
Status:
ERROR
Block height:
40122625
Block id:
7896780e03d954f93f4bf617924cf383d07f36e2b8c0b4f5c56c94bf29bd84b6
Timestamp:
Tuesday 1 November 2022 at 19:04:52 UTC
()
Proposer:
Authorizers:
Gas used:
48