Flow price: --
de3c1223dc503455ceb24c4f51e644ce7b70b02d85f4906ae447b117977e4471

Transaction

Hash: de3c1223dc503455ceb24c4f51e644ce7b70b02d85f4906ae447b117977e4471
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de3c1223dc503455ceb24c4f51e644ce7b70b02d85f4906ae447b117977e4471:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
de3c1223dc503455ceb24c4f51e644ce7b70b02d85f4906ae447b117977e4471
Status:
ERROR
Block height:
39972216
Block id:
989fbb5514bf7fdf7fb20c0b03f3566179ebf8bb6e45e52c06790fc0f0c928df
Timestamp:
Sunday 30 October 2022 at 06:38:52 UTC
()
Proposer:
Authorizers:
Gas used:
47