Flow price: --
a918edf0fe23eff6f3fcf5195ed09e743c2a5702796e86b491ee8ac7c3702c8e

Transaction

Hash: a918edf0fe23eff6f3fcf5195ed09e743c2a5702796e86b491ee8ac7c3702c8e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a918edf0fe23eff6f3fcf5195ed09e743c2a5702796e86b491ee8ac7c3702c8e: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:
a918edf0fe23eff6f3fcf5195ed09e743c2a5702796e86b491ee8ac7c3702c8e
Status:
ERROR
Block height:
40149991
Block id:
51e97fe56db4cfd80141d18ff2a2d0da748cbd2fc4dda1b59b997b0e610b0d75
Timestamp:
Wednesday 2 November 2022 at 06:13:52 UTC
()
Proposer:
Authorizers:
Gas used:
50