Flow price: --
4cfce199a768f18601b500ec2b4f507aceaa7a613889b9999ca7a3e7eeeb5baa

Transaction

Hash: 4cfce199a768f18601b500ec2b4f507aceaa7a613889b9999ca7a3e7eeeb5baa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4cfce199a768f18601b500ec2b4f507aceaa7a613889b9999ca7a3e7eeeb5baa: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:
4cfce199a768f18601b500ec2b4f507aceaa7a613889b9999ca7a3e7eeeb5baa
Status:
ERROR
Block height:
39994296
Block id:
df9bc5126590278b5c263f1ce7edf67c4923b4a4c390a34dcf36afec991e8567
Timestamp:
Sunday 30 October 2022 at 15:28:33 UTC
()
Proposer:
Authorizers:
Gas used:
48