Flow price: --
b5993727bfedd4f7dcd095f4b8561f415a9e9a9e39f7bf0147d800671b1b290f

Transaction

Hash: b5993727bfedd4f7dcd095f4b8561f415a9e9a9e39f7bf0147d800671b1b290f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5993727bfedd4f7dcd095f4b8561f415a9e9a9e39f7bf0147d800671b1b290f: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:
b5993727bfedd4f7dcd095f4b8561f415a9e9a9e39f7bf0147d800671b1b290f
Status:
ERROR
Block height:
40137405
Block id:
aa973a40732f4e718c3fe541b0014930d3b5ffb9765282d27f025794418baca5
Timestamp:
Wednesday 2 November 2022 at 01:07:35 UTC
()
Proposer:
Authorizers:
Gas used:
47