Flow price: --
b4b130517494cc74210bccf6514980d5b9a216e78a1f31175d8a421295603e3d

Transaction

Hash: b4b130517494cc74210bccf6514980d5b9a216e78a1f31175d8a421295603e3d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4b130517494cc74210bccf6514980d5b9a216e78a1f31175d8a421295603e3d: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:
b4b130517494cc74210bccf6514980d5b9a216e78a1f31175d8a421295603e3d
Status:
ERROR
Block height:
39939926
Block id:
b42496eab38613a23f489d4ed8808a4242736503afa4c8610296f2e045a13989
Timestamp:
Saturday 29 October 2022 at 17:50:15 UTC
()
Proposer:
Authorizers:
Gas used:
47