Flow price: --
4a9df5589a27fe924b73d1595d8823c6fc4f0f23dde86e01a4a592823b975f45

Transaction

Hash: 4a9df5589a27fe924b73d1595d8823c6fc4f0f23dde86e01a4a592823b975f45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a9df5589a27fe924b73d1595d8823c6fc4f0f23dde86e01a4a592823b975f45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a9df5589a27fe924b73d1595d8823c6fc4f0f23dde86e01a4a592823b975f45
Status:
ERROR
Block height:
39857873
Block id:
bbf5761aeb76cfb2992467a8a7457e63fa0038de53507ff1cdead01aa5e1beb7
Timestamp:
Friday 28 October 2022 at 08:57:51 UTC
()
Proposer:
Authorizers:
Gas used:
46