Flow price: --
09569e8b743d041e0f630f27b2a45aeaec7ff23779d47b79b377e2a836fe8650

Transaction

Hash: 09569e8b743d041e0f630f27b2a45aeaec7ff23779d47b79b377e2a836fe8650
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 09569e8b743d041e0f630f27b2a45aeaec7ff23779d47b79b377e2a836fe8650:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
09569e8b743d041e0f630f27b2a45aeaec7ff23779d47b79b377e2a836fe8650
Status:
ERROR
Block height:
39755259
Block id:
3bd9728af9ffd5b27916c73d9f1f82748aa8a54bd99a80420fc685f18aa7c607
Timestamp:
Wednesday 26 October 2022 at 15:33:17 UTC
()
Proposer:
Authorizers:
Gas used:
50