Flow price: --
9c7333b1bf83901fcb3fc32e963b79eb509a430cb9592725624504c6f1bdcce2

Transaction

Hash: 9c7333b1bf83901fcb3fc32e963b79eb509a430cb9592725624504c6f1bdcce2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c7333b1bf83901fcb3fc32e963b79eb509a430cb9592725624504c6f1bdcce2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c7333b1bf83901fcb3fc32e963b79eb509a430cb9592725624504c6f1bdcce2
Status:
ERROR
Block height:
40108643
Block id:
241b4dc26caf8cddbde2bcbf6d13d1fa0e0ef8d12668f6d7ef91ce0df12a9013
Timestamp:
Tuesday 1 November 2022 at 13:25:01 UTC
()
Proposer:
Authorizers:
Gas used:
47