Flow price: --
21ca84ba846f6db8087dc1881989f5b4c86a59001050c6f147af257e52d30cba

Transaction

Hash: 21ca84ba846f6db8087dc1881989f5b4c86a59001050c6f147af257e52d30cba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21ca84ba846f6db8087dc1881989f5b4c86a59001050c6f147af257e52d30cba: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:
21ca84ba846f6db8087dc1881989f5b4c86a59001050c6f147af257e52d30cba
Status:
ERROR
Block height:
39876537
Block id:
ebdac9070d042303be697a8e2ab4938b46904aea54f26aa7f0c40f5471d7f740
Timestamp:
Friday 28 October 2022 at 16:26:29 UTC
()
Proposer:
Authorizers:
Gas used:
47