Flow price: --
fc6c7dbe86d6ec9da32cd4be911bf6d5aea2aa3b8d7942b4bccc1abafc8c9b79

Transaction

Hash: fc6c7dbe86d6ec9da32cd4be911bf6d5aea2aa3b8d7942b4bccc1abafc8c9b79
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fc6c7dbe86d6ec9da32cd4be911bf6d5aea2aa3b8d7942b4bccc1abafc8c9b79:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fc6c7dbe86d6ec9da32cd4be911bf6d5aea2aa3b8d7942b4bccc1abafc8c9b79
Status:
ERROR
Block height:
39892970
Block id:
5ff3ea124ae0e2408071eaf432ecef0eff30ebe48317ba114d72f696c0dd2012
Timestamp:
Friday 28 October 2022 at 22:59:04 UTC
()
Proposer:
Authorizers:
Gas used:
51