Flow price: --
064b841325820f3086b525128be763a3cd5d9b581598d4f185ce70cc6cee116e

Transaction

Hash: 064b841325820f3086b525128be763a3cd5d9b581598d4f185ce70cc6cee116e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 064b841325820f3086b525128be763a3cd5d9b581598d4f185ce70cc6cee116e: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:
064b841325820f3086b525128be763a3cd5d9b581598d4f185ce70cc6cee116e
Status:
ERROR
Block height:
39929181
Block id:
843e2417db4f484c5596dc675dade49b648d8b9fde5e5ea96b9fbdbe9e77b846
Timestamp:
Saturday 29 October 2022 at 13:29:23 UTC
()
Proposer:
Authorizers:
Gas used:
47