Flow price: --
acd2c471bec87db2f9986073c3b8c79063898c11cc37cfb071215d28c4575ac5

Transaction

Hash: acd2c471bec87db2f9986073c3b8c79063898c11cc37cfb071215d28c4575ac5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> acd2c471bec87db2f9986073c3b8c79063898c11cc37cfb071215d28c4575ac5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
acd2c471bec87db2f9986073c3b8c79063898c11cc37cfb071215d28c4575ac5
Status:
ERROR
Block height:
39858864
Block id:
acdb3ba1bb6cdda66f10335a3ef4b807784dd383e257d694eccede95f33aa421
Timestamp:
Friday 28 October 2022 at 09:21:20 UTC
()
Proposer:
Authorizers:
Gas used:
48