Flow price: --
1d0719701af2b0ad49cb1ed0aa1d6d8db956dec7cb78313cea240ff2fd31dc91

Transaction

Hash: 1d0719701af2b0ad49cb1ed0aa1d6d8db956dec7cb78313cea240ff2fd31dc91
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d0719701af2b0ad49cb1ed0aa1d6d8db956dec7cb78313cea240ff2fd31dc91:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1d0719701af2b0ad49cb1ed0aa1d6d8db956dec7cb78313cea240ff2fd31dc91
Status:
ERROR
Block height:
40036522
Block id:
6dff22c9c5f3c8a3d8f232b209962b4e32f418dba56b2dbb44ba1f4c57472f3f
Timestamp:
Monday 31 October 2022 at 08:19:57 UTC
()
Proposer:
Authorizers:
Gas used:
52