Flow price: --
984efc0ec4506a8c6b2590e1a9a8a759cbd1a7dbffad8a130475fd9be12dfe23

Transaction

Hash: 984efc0ec4506a8c6b2590e1a9a8a759cbd1a7dbffad8a130475fd9be12dfe23
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 984efc0ec4506a8c6b2590e1a9a8a759cbd1a7dbffad8a130475fd9be12dfe23:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
984efc0ec4506a8c6b2590e1a9a8a759cbd1a7dbffad8a130475fd9be12dfe23
Status:
ERROR
Block height:
40096203
Block id:
be69bef5c1633d26d88782158b48ab96c66f25dd48339e04c9f39dc2216bdef2
Timestamp:
Tuesday 1 November 2022 at 08:22:53 UTC
()
Proposer:
Authorizers:
Gas used:
46