Flow price: --
2d92f3b07a340225d4eee2f92deb921e1ffcda8a51d1332e81dd1efa419235df

Transaction

Hash: 2d92f3b07a340225d4eee2f92deb921e1ffcda8a51d1332e81dd1efa419235df
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2d92f3b07a340225d4eee2f92deb921e1ffcda8a51d1332e81dd1efa419235df: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:
2d92f3b07a340225d4eee2f92deb921e1ffcda8a51d1332e81dd1efa419235df
Status:
ERROR
Block height:
39919708
Block id:
31e3a163cbffc8750842df44280789d60f7a36dd0ddef30ad95569bbfe0a6ab1
Timestamp:
Saturday 29 October 2022 at 09:39:41 UTC
()
Proposer:
Authorizers:
Gas used:
48