Flow price: --
ec91aad5fee778f000b366fc36890941eed1ffccdccf6f4b1002b02a19af1643

Transaction

Hash: ec91aad5fee778f000b366fc36890941eed1ffccdccf6f4b1002b02a19af1643
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ec91aad5fee778f000b366fc36890941eed1ffccdccf6f4b1002b02a19af1643:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ec91aad5fee778f000b366fc36890941eed1ffccdccf6f4b1002b02a19af1643
Status:
ERROR
Block height:
39959121
Block id:
59ab9cabf570e2fcea78efff61fc8278f4ff02f148efef5383687211e97d8ac8
Timestamp:
Sunday 30 October 2022 at 01:24:56 UTC
()
Proposer:
Authorizers:
Gas used:
48