Flow price: --
fb225b58b07a491c5c7c0650933457e4e3a4487f29e2137220bb369beffd9c3f

Transaction

Hash: fb225b58b07a491c5c7c0650933457e4e3a4487f29e2137220bb369beffd9c3f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fb225b58b07a491c5c7c0650933457e4e3a4487f29e2137220bb369beffd9c3f: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:
fb225b58b07a491c5c7c0650933457e4e3a4487f29e2137220bb369beffd9c3f
Status:
ERROR
Block height:
40095717
Block id:
76f64f1fb02a15ed71e6142488761c8b7403274060b215794b33b809ed9fb40e
Timestamp:
Tuesday 1 November 2022 at 08:11:01 UTC
()
Proposer:
Authorizers:
Gas used:
50