Flow price: --
f0dd0d99035a60131896f8d62c1790cb00a0d3f5cb1906d294b6c67aeb9fcb95

Transaction

Hash: f0dd0d99035a60131896f8d62c1790cb00a0d3f5cb1906d294b6c67aeb9fcb95
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0dd0d99035a60131896f8d62c1790cb00a0d3f5cb1906d294b6c67aeb9fcb95:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f0dd0d99035a60131896f8d62c1790cb00a0d3f5cb1906d294b6c67aeb9fcb95
Status:
ERROR
Block height:
39951010
Block id:
c08d311504edfba10717b3ae5cb4418f59955fb0a76cf91b84f4ff9cca983d6e
Timestamp:
Saturday 29 October 2022 at 22:13:45 UTC
()
Proposer:
Authorizers:
Gas used:
46