Flow price: --
9c57357ad2b35e3ebfb66b82dac70f6ad608f78e8b821a5f0eee1ed20b316191

Transaction

Hash: 9c57357ad2b35e3ebfb66b82dac70f6ad608f78e8b821a5f0eee1ed20b316191
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c57357ad2b35e3ebfb66b82dac70f6ad608f78e8b821a5f0eee1ed20b316191:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c57357ad2b35e3ebfb66b82dac70f6ad608f78e8b821a5f0eee1ed20b316191
Status:
ERROR
Block height:
40056101
Block id:
eecfef7143b664be48f2b7739dfc356001c9f6f9baf393a661c539e99997afc2
Timestamp:
Monday 31 October 2022 at 16:14:44 UTC
()
Proposer:
Authorizers:
Gas used:
46