Flow price: --
f8d00773c31ae615644c887505f9119982d76ded4ef9b101be6e5938fa4ee5e5

Transaction

Hash: f8d00773c31ae615644c887505f9119982d76ded4ef9b101be6e5938fa4ee5e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f8d00773c31ae615644c887505f9119982d76ded4ef9b101be6e5938fa4ee5e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f8d00773c31ae615644c887505f9119982d76ded4ef9b101be6e5938fa4ee5e5
Status:
ERROR
Block height:
40041091
Block id:
f952c44d5245a13d3a4a4a6b2a1a6ba230f62120f3be51a89054b22d5b430a9f
Timestamp:
Monday 31 October 2022 at 10:10:24 UTC
()
Proposer:
Authorizers:
Gas used:
59