Flow price: --
0fbe7bf8d12055d32b8f226f97295c239b7e5c598975e67094f6a198903f7d22

Transaction

Hash: 0fbe7bf8d12055d32b8f226f97295c239b7e5c598975e67094f6a198903f7d22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0fbe7bf8d12055d32b8f226f97295c239b7e5c598975e67094f6a198903f7d22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0fbe7bf8d12055d32b8f226f97295c239b7e5c598975e67094f6a198903f7d22
Status:
ERROR
Block height:
40051105
Block id:
ff7536fbf972d838ee1ed0cd1f3bf1839025cfe91a38f56254927646db796d3f
Timestamp:
Monday 31 October 2022 at 14:12:35 UTC
()
Proposer:
Authorizers:
Gas used:
49