Flow price: --
a0867f51a2238923a24ebd95fb328321a03af5b8a2ca83078e16965f3fbd93cc

Transaction

Hash: a0867f51a2238923a24ebd95fb328321a03af5b8a2ca83078e16965f3fbd93cc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a0867f51a2238923a24ebd95fb328321a03af5b8a2ca83078e16965f3fbd93cc: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:
a0867f51a2238923a24ebd95fb328321a03af5b8a2ca83078e16965f3fbd93cc
Status:
ERROR
Block height:
39914442
Block id:
5525575e55328cf8fb6f10ae1d79c29ca2e7f69fcea8e9dc1e77138ae9f92c98
Timestamp:
Saturday 29 October 2022 at 07:33:09 UTC
()
Proposer:
Authorizers:
Gas used:
46