Flow price: --
63151a19fbd37ffd847fe2b393d850c5856012e37bc4f17c26eaef69e0eb3f09

Transaction

Hash: 63151a19fbd37ffd847fe2b393d850c5856012e37bc4f17c26eaef69e0eb3f09
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 63151a19fbd37ffd847fe2b393d850c5856012e37bc4f17c26eaef69e0eb3f09:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
63151a19fbd37ffd847fe2b393d850c5856012e37bc4f17c26eaef69e0eb3f09
Status:
ERROR
Block height:
40032228
Block id:
51bb3679ce40f7fb7c3b1eadaa8f5acb01053ebf7ec92cb8b7bcc2e2906a885d
Timestamp:
Monday 31 October 2022 at 06:37:15 UTC
()
Proposer:
Authorizers:
Gas used:
50