Flow price: --
273f7ad11b92462a57bb22e2d90ea40d39d4b40d1a343e13b5d9292a7fc40161

Transaction

Hash: 273f7ad11b92462a57bb22e2d90ea40d39d4b40d1a343e13b5d9292a7fc40161
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 273f7ad11b92462a57bb22e2d90ea40d39d4b40d1a343e13b5d9292a7fc40161:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
273f7ad11b92462a57bb22e2d90ea40d39d4b40d1a343e13b5d9292a7fc40161
Status:
ERROR
Block height:
40147506
Block id:
39b7d24ea29447d79393f68e3ff8c37e28048c772955b7a3e68c29e8770da13a
Timestamp:
Wednesday 2 November 2022 at 05:13:19 UTC
()
Proposer:
Authorizers:
Gas used:
49