Flow price: --
c60b1506c9da7840047cda9641a3f1bf3736f50961fe75231ee5a7e10ca6bb46

Transaction

Hash: c60b1506c9da7840047cda9641a3f1bf3736f50961fe75231ee5a7e10ca6bb46
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c60b1506c9da7840047cda9641a3f1bf3736f50961fe75231ee5a7e10ca6bb46:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c60b1506c9da7840047cda9641a3f1bf3736f50961fe75231ee5a7e10ca6bb46
Status:
ERROR
Block height:
39908997
Block id:
6a2c8cf07bcb2a2cddc7bc7bc5ffe5560cb6bd7242c3a40cc90ac1e057c9a2c3
Timestamp:
Saturday 29 October 2022 at 05:21:32 UTC
()
Proposer:
Authorizers:
Gas used:
50