Flow price: --
976615ccdc2dfc7534cc9446b2ccc01e5fe590678f234fbf0a247cdbbc54e585

Transaction

Hash: 976615ccdc2dfc7534cc9446b2ccc01e5fe590678f234fbf0a247cdbbc54e585
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 976615ccdc2dfc7534cc9446b2ccc01e5fe590678f234fbf0a247cdbbc54e585:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
976615ccdc2dfc7534cc9446b2ccc01e5fe590678f234fbf0a247cdbbc54e585
Status:
ERROR
Block height:
40132361
Block id:
9e61218a9627c079597a51878c2058ad555ce3784fd6b0d4cb67e8e62fb70db9
Timestamp:
Tuesday 1 November 2022 at 23:04:39 UTC
()
Proposer:
Authorizers:
Gas used:
47