Flow price: --
c74570d85050e0678a8f4040431301e5146ba1d4c2a23025fc8a13deac4d8aca

Transaction

Hash: c74570d85050e0678a8f4040431301e5146ba1d4c2a23025fc8a13deac4d8aca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c74570d85050e0678a8f4040431301e5146ba1d4c2a23025fc8a13deac4d8aca: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:
c74570d85050e0678a8f4040431301e5146ba1d4c2a23025fc8a13deac4d8aca
Status:
ERROR
Block height:
40014893
Block id:
1c8e25288d8a26d0c600512f0b9469a2f74ead8b2d9be1f17835700886571925
Timestamp:
Sunday 30 October 2022 at 23:39:51 UTC
()
Proposer:
Authorizers:
Gas used:
47