Flow price: --
c1119eb73f7eb0c81e62f088cc8b907819f5b4fdbb1db0c074a7ebeaa19697c8

Transaction

Hash: c1119eb73f7eb0c81e62f088cc8b907819f5b4fdbb1db0c074a7ebeaa19697c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c1119eb73f7eb0c81e62f088cc8b907819f5b4fdbb1db0c074a7ebeaa19697c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c1119eb73f7eb0c81e62f088cc8b907819f5b4fdbb1db0c074a7ebeaa19697c8
Status:
ERROR
Block height:
40049256
Block id:
ad57bb0e1557f4edc307dccca3c4298d748cd0ef8289dddc6b8a074af9ee6f08
Timestamp:
Monday 31 October 2022 at 13:28:11 UTC
()
Proposer:
Authorizers:
Gas used:
46