Flow price: --
4a403e215f694e6ba473b274670f5c94fd1e235a643cd07be8435e5f057bbc68

Transaction

Hash: 4a403e215f694e6ba473b274670f5c94fd1e235a643cd07be8435e5f057bbc68
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a403e215f694e6ba473b274670f5c94fd1e235a643cd07be8435e5f057bbc68:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a403e215f694e6ba473b274670f5c94fd1e235a643cd07be8435e5f057bbc68
Status:
ERROR
Block height:
40163337
Block id:
864e820b309189863c677e29f81d69ca75152bb23a8bc1eb9a84d1dc3c192477
Timestamp:
Wednesday 2 November 2022 at 11:39:41 UTC
()
Proposer:
Authorizers:
Gas used:
47