Flow price: --
b01b031c4b24571777881b6e1e7f35cf7248e031c23a2811f48642a7ec71b048

Transaction

Hash: b01b031c4b24571777881b6e1e7f35cf7248e031c23a2811f48642a7ec71b048
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b01b031c4b24571777881b6e1e7f35cf7248e031c23a2811f48642a7ec71b048:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b01b031c4b24571777881b6e1e7f35cf7248e031c23a2811f48642a7ec71b048
Status:
ERROR
Block height:
40095127
Block id:
aac6fafdcde92540633bfe141190988bca6d276097d16b00ff71933c4db7655c
Timestamp:
Tuesday 1 November 2022 at 07:56:34 UTC
()
Proposer:
Authorizers:
Gas used:
48