Flow price: --
72e91d0a7339a334b34896bf1e73170e59eec291e2ec09a3f2e350bf3500b762

Transaction

Hash: 72e91d0a7339a334b34896bf1e73170e59eec291e2ec09a3f2e350bf3500b762
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 72e91d0a7339a334b34896bf1e73170e59eec291e2ec09a3f2e350bf3500b762:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
72e91d0a7339a334b34896bf1e73170e59eec291e2ec09a3f2e350bf3500b762
Status:
ERROR
Block height:
39811705
Block id:
75c4ac2c145c3592da0b36d6084e2653a1c00259b40f0e4be8e697e46da71b88
Timestamp:
Thursday 27 October 2022 at 14:19:05 UTC
()
Proposer:
Authorizers:
Gas used:
47