Flow price: --
210a5150a05a6cc9949523d3d3187883373eb8c90686e145c69a143ea7c3da0b

Transaction

Hash: 210a5150a05a6cc9949523d3d3187883373eb8c90686e145c69a143ea7c3da0b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 210a5150a05a6cc9949523d3d3187883373eb8c90686e145c69a143ea7c3da0b: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:
210a5150a05a6cc9949523d3d3187883373eb8c90686e145c69a143ea7c3da0b
Status:
ERROR
Block height:
40050125
Block id:
5c46b2a3f6cde5e8bcef23414ef5b3bf4949c903cae0eb5962b5f5102db557cf
Timestamp:
Monday 31 October 2022 at 13:48:58 UTC
()
Proposer:
Authorizers:
Gas used:
46