Flow price: --
c3db193f9f134d56a4453b96254b1b63d51641bfe5d1348e7dc157ef8052fd31

Transaction

Hash: c3db193f9f134d56a4453b96254b1b63d51641bfe5d1348e7dc157ef8052fd31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c3db193f9f134d56a4453b96254b1b63d51641bfe5d1348e7dc157ef8052fd31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c3db193f9f134d56a4453b96254b1b63d51641bfe5d1348e7dc157ef8052fd31
Status:
ERROR
Block height:
39983495
Block id:
9aea44150a9c79689def5847483a1e3c4b691bc26c5736f3da43574135b2e5fb
Timestamp:
Sunday 30 October 2022 at 11:09:06 UTC
()
Proposer:
Authorizers:
Gas used:
48