Flow price: --
f48d7f2553fcc767f0e4b1db4d99a16c55f0622f2a898c16357c8dbde2285858

Transaction

Hash: f48d7f2553fcc767f0e4b1db4d99a16c55f0622f2a898c16357c8dbde2285858
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f48d7f2553fcc767f0e4b1db4d99a16c55f0622f2a898c16357c8dbde2285858:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f48d7f2553fcc767f0e4b1db4d99a16c55f0622f2a898c16357c8dbde2285858
Status:
ERROR
Block height:
39863319
Block id:
32cc6de1dec398b7ed5764279aea0db4dc47df88ba0711a1c56424c58e861313
Timestamp:
Friday 28 October 2022 at 11:08:45 UTC
()
Proposer:
Authorizers:
Gas used:
50