Flow price: --
b05e5e43e36e06b2b8b2d4875ec48a6a93c3b0e1c211d616e3e91b266c7e8a50

Transaction

Hash: b05e5e43e36e06b2b8b2d4875ec48a6a93c3b0e1c211d616e3e91b266c7e8a50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b05e5e43e36e06b2b8b2d4875ec48a6a93c3b0e1c211d616e3e91b266c7e8a50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b05e5e43e36e06b2b8b2d4875ec48a6a93c3b0e1c211d616e3e91b266c7e8a50
Status:
ERROR
Block height:
40104535
Block id:
0470e9c726ef8b72c62dc3884f82274f8b8ccd9ef3afa2e740bc39262c60670f
Timestamp:
Tuesday 1 November 2022 at 11:45:16 UTC
()
Proposer:
Authorizers:
Gas used:
49