Flow price: --
663c6bed373cbdb57f2e5ce504e15811deba81c7e4f9fc90ed03fd8d5f4154e7

Transaction

Hash: 663c6bed373cbdb57f2e5ce504e15811deba81c7e4f9fc90ed03fd8d5f4154e7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 663c6bed373cbdb57f2e5ce504e15811deba81c7e4f9fc90ed03fd8d5f4154e7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
663c6bed373cbdb57f2e5ce504e15811deba81c7e4f9fc90ed03fd8d5f4154e7
Status:
ERROR
Block height:
39797352
Block id:
59d9557a455a357b8dabce7a392f04e087748e17b21d91604927b33b8a0ea974
Timestamp:
Thursday 27 October 2022 at 08:31:16 UTC
()
Proposer:
Authorizers:
Gas used:
48