Flow price: --
b9a16efcf266593010d01ec868b557af3ac9c7e91e1563c250e2528ba839e465

Transaction

Hash: b9a16efcf266593010d01ec868b557af3ac9c7e91e1563c250e2528ba839e465
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9a16efcf266593010d01ec868b557af3ac9c7e91e1563c250e2528ba839e465:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9a16efcf266593010d01ec868b557af3ac9c7e91e1563c250e2528ba839e465
Status:
ERROR
Block height:
39875067
Block id:
7ed2adb4b9019e0633305c677775595803eb369085458ab0f81fdb9c672036f3
Timestamp:
Friday 28 October 2022 at 15:51:33 UTC
()
Proposer:
Authorizers:
Gas used:
46