Flow price: --
7167e210839ee2659240a593e1cbaff8bc0273a1a6bb9eba38bf273e5c7bfc71

Transaction

Hash: 7167e210839ee2659240a593e1cbaff8bc0273a1a6bb9eba38bf273e5c7bfc71
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7167e210839ee2659240a593e1cbaff8bc0273a1a6bb9eba38bf273e5c7bfc71:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7167e210839ee2659240a593e1cbaff8bc0273a1a6bb9eba38bf273e5c7bfc71
Status:
ERROR
Block height:
39779502
Block id:
1d87a16c593ae5795150059bbcabc50b4aaaece4f2ba03928eb5c3cdf2414999
Timestamp:
Thursday 27 October 2022 at 01:19:53 UTC
()
Proposer:
Authorizers:
Gas used:
49