Flow price: --
e23f0d5a977d3e30ce3e6c2e54da1ee6c5a1a52414f1b5a2b0336dd8e430ba48

Transaction

Hash: e23f0d5a977d3e30ce3e6c2e54da1ee6c5a1a52414f1b5a2b0336dd8e430ba48
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e23f0d5a977d3e30ce3e6c2e54da1ee6c5a1a52414f1b5a2b0336dd8e430ba48:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e23f0d5a977d3e30ce3e6c2e54da1ee6c5a1a52414f1b5a2b0336dd8e430ba48
Status:
ERROR
Block height:
39772214
Block id:
2a607e7037745ef56a9601be1d02897f736a80441bbfafb4939030abcf74938c
Timestamp:
Wednesday 26 October 2022 at 22:23:47 UTC
()
Proposer:
Authorizers:
Gas used:
66