Flow price: --
b8e567cb500a3295184f9e7a1cfccb2aab456c198ef603a339146c517977fd08

Transaction

Hash: b8e567cb500a3295184f9e7a1cfccb2aab456c198ef603a339146c517977fd08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8e567cb500a3295184f9e7a1cfccb2aab456c198ef603a339146c517977fd08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8e567cb500a3295184f9e7a1cfccb2aab456c198ef603a339146c517977fd08
Status:
ERROR
Block height:
40147236
Block id:
42a5dbc895bf79cdc969f17181f9a1beed7e839dd303acf5492982ea9f592b0f
Timestamp:
Wednesday 2 November 2022 at 05:06:56 UTC
()
Proposer:
Authorizers:
Gas used:
49