Flow price: --
57ce0876b6bdef0ddaad5fa5f585d1219a77403727f6e9587a43d80732e23fa4

Transaction

Hash: 57ce0876b6bdef0ddaad5fa5f585d1219a77403727f6e9587a43d80732e23fa4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57ce0876b6bdef0ddaad5fa5f585d1219a77403727f6e9587a43d80732e23fa4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57ce0876b6bdef0ddaad5fa5f585d1219a77403727f6e9587a43d80732e23fa4
Status:
ERROR
Block height:
39876900
Block id:
e4143c5fe1c1cc1b55fd475dd29b678198f9165bef38906c429332a78fe00c8a
Timestamp:
Friday 28 October 2022 at 16:34:57 UTC
()
Proposer:
Authorizers:
Gas used:
48