Flow price: --
e573f3cc6f73015c6544ebcdd8690671c0be87739ccee819f4dc9a5675d2b1b6

Transaction

Hash: e573f3cc6f73015c6544ebcdd8690671c0be87739ccee819f4dc9a5675d2b1b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e573f3cc6f73015c6544ebcdd8690671c0be87739ccee819f4dc9a5675d2b1b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e573f3cc6f73015c6544ebcdd8690671c0be87739ccee819f4dc9a5675d2b1b6
Status:
ERROR
Block height:
40024160
Block id:
09fe4c7315b69030c33408e97b956cfc94730f34e29b6afe81f3d9b3d6814633
Timestamp:
Monday 31 October 2022 at 03:21:44 UTC
()
Proposer:
Authorizers:
Gas used:
48