Flow price: --
688d780089fc8e839e7818db63c52f221834febf19995eece933099a83f6cf4c

Transaction

Hash: 688d780089fc8e839e7818db63c52f221834febf19995eece933099a83f6cf4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 688d780089fc8e839e7818db63c52f221834febf19995eece933099a83f6cf4c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
688d780089fc8e839e7818db63c52f221834febf19995eece933099a83f6cf4c
Status:
ERROR
Block height:
41133971
Block id:
2773d91a108b8f1e123e8dc1237512e5f1916461e05bca947193bdc4176c7787
Timestamp:
Friday 18 November 2022 at 15:44:48 UTC
()
Proposer:
Authorizers:
Gas used:
26