Flow price: --
279b0db3287d3f82bd033056425a3cda791318e2586e7bd473c6f078a9e8330d

Transaction

Hash: 279b0db3287d3f82bd033056425a3cda791318e2586e7bd473c6f078a9e8330d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 279b0db3287d3f82bd033056425a3cda791318e2586e7bd473c6f078a9e8330d: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:
279b0db3287d3f82bd033056425a3cda791318e2586e7bd473c6f078a9e8330d
Status:
ERROR
Block height:
39949917
Block id:
9ef04f1781b364ebeefdfea2e573649d5597782f84931c510c6c22666466074e
Timestamp:
Saturday 29 October 2022 at 21:48:02 UTC
()
Proposer:
Authorizers:
Gas used:
47