Flow price: --
a794563698a3dcadde032a6a74105e60072709052fdc189a694c8d994b5a4feb

Transaction

Hash: a794563698a3dcadde032a6a74105e60072709052fdc189a694c8d994b5a4feb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a794563698a3dcadde032a6a74105e60072709052fdc189a694c8d994b5a4feb: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:
a794563698a3dcadde032a6a74105e60072709052fdc189a694c8d994b5a4feb
Status:
ERROR
Block height:
39995740
Block id:
080fd744d95f825f2dacd81222dd149967e1cc4a720f4eea95f65a39d841e9c5
Timestamp:
Sunday 30 October 2022 at 16:03:45 UTC
()
Proposer:
Authorizers:
Gas used:
48