Flow price: --
b738ba1785c29073e50afdf7ae4b44115497f9aa6474792762fa9a4b8614f3ce

Transaction

Hash: b738ba1785c29073e50afdf7ae4b44115497f9aa6474792762fa9a4b8614f3ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b738ba1785c29073e50afdf7ae4b44115497f9aa6474792762fa9a4b8614f3ce: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:
b738ba1785c29073e50afdf7ae4b44115497f9aa6474792762fa9a4b8614f3ce
Status:
ERROR
Block height:
39909507
Block id:
e37382676c14452fdb7d6cacef8ff7101287f11fc5165c8b32b62f164c1f0d9d
Timestamp:
Saturday 29 October 2022 at 05:33:37 UTC
()
Proposer:
Authorizers:
Gas used:
46