Flow price: --
b41c91eb6da71b6116eb889912135d17e9cbfdef43b168ed076f3047dfde58f8

Transaction

Hash: b41c91eb6da71b6116eb889912135d17e9cbfdef43b168ed076f3047dfde58f8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b41c91eb6da71b6116eb889912135d17e9cbfdef43b168ed076f3047dfde58f8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b41c91eb6da71b6116eb889912135d17e9cbfdef43b168ed076f3047dfde58f8
Status:
ERROR
Block height:
39814900
Block id:
323638e4279f9072c9b6f426ead2b243cfd71dd189f1d155ac04167a84e10e57
Timestamp:
Thursday 27 October 2022 at 15:36:36 UTC
()
Proposer:
Authorizers:
Gas used:
49