Flow price: --
3dfea2d73550758081c5c64a4154abf146585d0e66081ca8a9f0b5e448750198

Transaction

Hash: 3dfea2d73550758081c5c64a4154abf146585d0e66081ca8a9f0b5e448750198
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3dfea2d73550758081c5c64a4154abf146585d0e66081ca8a9f0b5e448750198:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3dfea2d73550758081c5c64a4154abf146585d0e66081ca8a9f0b5e448750198
Status:
ERROR
Block height:
39900838
Block id:
500d1ed8b7345267686e98be0e4207a851623ff0a2bae3a11d76f7adc61c6139
Timestamp:
Saturday 29 October 2022 at 02:06:18 UTC
()
Proposer:
Authorizers:
Gas used:
46