Flow price: --
4579b4fa6f24eaa7c69af0c0eb9cd7671c6ccf8e81564b0e5d257ffd50672c02

Transaction

Hash: 4579b4fa6f24eaa7c69af0c0eb9cd7671c6ccf8e81564b0e5d257ffd50672c02
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4579b4fa6f24eaa7c69af0c0eb9cd7671c6ccf8e81564b0e5d257ffd50672c02:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4579b4fa6f24eaa7c69af0c0eb9cd7671c6ccf8e81564b0e5d257ffd50672c02
Status:
ERROR
Block height:
39919618
Block id:
dd594f40d4a65caa125c87b7ece70446797822ff0027a7384fa84935fa8e135c
Timestamp:
Saturday 29 October 2022 at 09:37:35 UTC
()
Proposer:
Authorizers:
Gas used:
46