Flow price: --
558b327136e4d7d3adaf3f73246fd1d9fb46215b8b5a78353deb0838dbe76989

Transaction

Hash: 558b327136e4d7d3adaf3f73246fd1d9fb46215b8b5a78353deb0838dbe76989
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 558b327136e4d7d3adaf3f73246fd1d9fb46215b8b5a78353deb0838dbe76989:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
558b327136e4d7d3adaf3f73246fd1d9fb46215b8b5a78353deb0838dbe76989
Status:
ERROR
Block height:
39897328
Block id:
648b732c670ae33bb1b89c3175b70338fc4ffab953d549bbf80bc3227cdfeccd
Timestamp:
Saturday 29 October 2022 at 00:41:56 UTC
()
Proposer:
Authorizers:
Gas used:
46