Flow price: --
bffa9dfb330fc10f15fcb174c034e25d621df8bfb83c09f35aa90867e4c737e8

Transaction

Hash: bffa9dfb330fc10f15fcb174c034e25d621df8bfb83c09f35aa90867e4c737e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bffa9dfb330fc10f15fcb174c034e25d621df8bfb83c09f35aa90867e4c737e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bffa9dfb330fc10f15fcb174c034e25d621df8bfb83c09f35aa90867e4c737e8
Status:
ERROR
Block height:
40039493
Block id:
c5b441cc02f9c80252de8dd09a46ba06d768333435a289324bcf5ad5251db87b
Timestamp:
Monday 31 October 2022 at 09:31:35 UTC
()
Proposer:
Authorizers:
Gas used:
45