Flow price: --
0d603eb7b0d21b5af2f8e8350c35b8045da6468a01c32fcf63e19e798fe34fe7

Transaction

Hash: 0d603eb7b0d21b5af2f8e8350c35b8045da6468a01c32fcf63e19e798fe34fe7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0d603eb7b0d21b5af2f8e8350c35b8045da6468a01c32fcf63e19e798fe34fe7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0d603eb7b0d21b5af2f8e8350c35b8045da6468a01c32fcf63e19e798fe34fe7
Status:
ERROR
Block height:
40044728
Block id:
27f420b580b6bf659930352b2bb95b7c719a21681c60123ebaf50bbf3284b0f0
Timestamp:
Monday 31 October 2022 at 11:38:36 UTC
()
Proposer:
Authorizers:
Gas used:
47