Flow price: --
4373d83ea182e678c33794247515e694e5f21cd8d801be79c2f64910af9a6b78

Transaction

Hash: 4373d83ea182e678c33794247515e694e5f21cd8d801be79c2f64910af9a6b78
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4373d83ea182e678c33794247515e694e5f21cd8d801be79c2f64910af9a6b78:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4373d83ea182e678c33794247515e694e5f21cd8d801be79c2f64910af9a6b78
Status:
ERROR
Block height:
39800650
Block id:
0e972defd6e3e618a884551c4da05a52dfd2e996c28f67674aec6dd3afe182db
Timestamp:
Thursday 27 October 2022 at 09:51:06 UTC
()
Proposer:
Authorizers:
Gas used:
48