Flow price: --
93104ea34ac15e10bc5d551600134430cd0728058f9d7671ec8a4e02da84e637

Transaction

Hash: 93104ea34ac15e10bc5d551600134430cd0728058f9d7671ec8a4e02da84e637
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 93104ea34ac15e10bc5d551600134430cd0728058f9d7671ec8a4e02da84e637:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
93104ea34ac15e10bc5d551600134430cd0728058f9d7671ec8a4e02da84e637
Status:
ERROR
Block height:
39926447
Block id:
d51be57b221db74e31cf1f819f1fd1a4adb67308c4c4dc0fed23fffe38859aa4
Timestamp:
Saturday 29 October 2022 at 12:22:51 UTC
()
Proposer:
Authorizers:
Gas used:
46