Flow price: --
dd522f27737d6d62e4c5b5987b44063e6eb18a796a8a8d928ad30ac7171094b0

Transaction

Hash: dd522f27737d6d62e4c5b5987b44063e6eb18a796a8a8d928ad30ac7171094b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd522f27737d6d62e4c5b5987b44063e6eb18a796a8a8d928ad30ac7171094b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd522f27737d6d62e4c5b5987b44063e6eb18a796a8a8d928ad30ac7171094b0
Status:
ERROR
Block height:
39742475
Block id:
69c56eda7f38e9dfaa9c7e45ab6745bc96da2c73a2aab10e3d591c8b05fa2186
Timestamp:
Wednesday 26 October 2022 at 10:24:57 UTC
()
Proposer:
Authorizers:
Gas used:
47