Flow price: --
f150f7366d3027d6bab1cac08efef7a8a3d18e10127c175bc98879cf6277a4cb

Transaction

Hash: f150f7366d3027d6bab1cac08efef7a8a3d18e10127c175bc98879cf6277a4cb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f150f7366d3027d6bab1cac08efef7a8a3d18e10127c175bc98879cf6277a4cb: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:
f150f7366d3027d6bab1cac08efef7a8a3d18e10127c175bc98879cf6277a4cb
Status:
ERROR
Block height:
39922610
Block id:
2fb52d49e6a4bc7580a51afab19b582f089bfda210fc9a9781d7d9680df758fc
Timestamp:
Saturday 29 October 2022 at 10:49:55 UTC
()
Proposer:
Authorizers:
Gas used:
42