Flow price: --
1959d64ca934b743eef4945b3da23f102f77359a21567d10eee1f65bb174d4dd

Transaction

Hash: 1959d64ca934b743eef4945b3da23f102f77359a21567d10eee1f65bb174d4dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1959d64ca934b743eef4945b3da23f102f77359a21567d10eee1f65bb174d4dd: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:
1959d64ca934b743eef4945b3da23f102f77359a21567d10eee1f65bb174d4dd
Status:
ERROR
Block height:
39865329
Block id:
d22437a3e7d40403c46955129616177db40c5b561794a463f307f159f2184043
Timestamp:
Friday 28 October 2022 at 11:57:44 UTC
()
Proposer:
Authorizers:
Gas used:
47