Flow price: --
530b2807b36965b94c0cf22b02da32f9d130fe35827c34259cb1a1f350158b90

Transaction

Hash: 530b2807b36965b94c0cf22b02da32f9d130fe35827c34259cb1a1f350158b90
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 530b2807b36965b94c0cf22b02da32f9d130fe35827c34259cb1a1f350158b90:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
530b2807b36965b94c0cf22b02da32f9d130fe35827c34259cb1a1f350158b90
Status:
ERROR
Block height:
39971997
Block id:
f107294049f28b7483cf06cd11615d1d9f2ee43cc3312a00e2b06f9002826a21
Timestamp:
Sunday 30 October 2022 at 06:33:43 UTC
()
Proposer:
Authorizers:
Gas used:
50