Flow price: --
2d7ad0d22668de8a3fa0d8480e1dc2c01a7458b5b40f67cd2e635b043dff5e4e

Transaction

Hash: 2d7ad0d22668de8a3fa0d8480e1dc2c01a7458b5b40f67cd2e635b043dff5e4e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2d7ad0d22668de8a3fa0d8480e1dc2c01a7458b5b40f67cd2e635b043dff5e4e: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:
2d7ad0d22668de8a3fa0d8480e1dc2c01a7458b5b40f67cd2e635b043dff5e4e
Status:
ERROR
Block height:
39853033
Block id:
4ee0aa4d1f554471b26f65b723969f06ffd67ad56e482f9b86550fdac5eeb7fe
Timestamp:
Friday 28 October 2022 at 06:59:45 UTC
()
Proposer:
Authorizers:
Gas used:
46