Flow price: --
7605e051d75fcb05fec8db8a6d634caece69cfe65c571307a230e78da9541dd1

Transaction

Hash: 7605e051d75fcb05fec8db8a6d634caece69cfe65c571307a230e78da9541dd1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7605e051d75fcb05fec8db8a6d634caece69cfe65c571307a230e78da9541dd1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7605e051d75fcb05fec8db8a6d634caece69cfe65c571307a230e78da9541dd1
Status:
ERROR
Block height:
39905466
Block id:
e0b2bfc528c2288f868f25fbe9d16afb91c2703002ec831e8af6dc66c1d90910
Timestamp:
Saturday 29 October 2022 at 03:57:24 UTC
()
Proposer:
Authorizers:
Gas used:
48