Flow price: --
f20e119df96923f0372c1354b80b19e3c0f32e86db018e75974e2f5dac2060f7

Transaction

Hash: f20e119df96923f0372c1354b80b19e3c0f32e86db018e75974e2f5dac2060f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f20e119df96923f0372c1354b80b19e3c0f32e86db018e75974e2f5dac2060f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f20e119df96923f0372c1354b80b19e3c0f32e86db018e75974e2f5dac2060f7
Status:
ERROR
Block height:
40159338
Block id:
12771119733933d912a90987e07b7e77ab5ef555ebc1f66e10274edbffdee409
Timestamp:
Wednesday 2 November 2022 at 10:02:18 UTC
()
Proposer:
Authorizers:
Gas used:
49