Flow price: --
66690b366c7ac33bf7696800259a87ab053866c8f6b8aca84115d6e661bd2a5a

Transaction

Hash: 66690b366c7ac33bf7696800259a87ab053866c8f6b8aca84115d6e661bd2a5a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 66690b366c7ac33bf7696800259a87ab053866c8f6b8aca84115d6e661bd2a5a: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:
66690b366c7ac33bf7696800259a87ab053866c8f6b8aca84115d6e661bd2a5a
Status:
ERROR
Block height:
40063289
Block id:
6132090c63ad4fdc91acbda8c9b9b0941afc24f0742ab72c891494a714bf820e
Timestamp:
Monday 31 October 2022 at 19:09:07 UTC
()
Proposer:
Authorizers:
Gas used:
47