Flow price: --
09d8e5a3ba5187eb4c83c3d977f8235a8b209ab69b01a4135962e5251482212e

Transaction

Hash: 09d8e5a3ba5187eb4c83c3d977f8235a8b209ab69b01a4135962e5251482212e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 09d8e5a3ba5187eb4c83c3d977f8235a8b209ab69b01a4135962e5251482212e: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:
09d8e5a3ba5187eb4c83c3d977f8235a8b209ab69b01a4135962e5251482212e
Status:
ERROR
Block height:
40057656
Block id:
ec40e7e8d37dda2b95d613a131ef7537c41c95ec6d5b497fe11e788fc133e2b1
Timestamp:
Monday 31 October 2022 at 16:53:12 UTC
()
Proposer:
Authorizers:
Gas used:
48