Flow price: --
3f28ffb3f32a81be0b353d53f8e6cbcccbe4b2f9485e0e5a9234dc03b0a4fcc3

Transaction

Hash: 3f28ffb3f32a81be0b353d53f8e6cbcccbe4b2f9485e0e5a9234dc03b0a4fcc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f28ffb3f32a81be0b353d53f8e6cbcccbe4b2f9485e0e5a9234dc03b0a4fcc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f28ffb3f32a81be0b353d53f8e6cbcccbe4b2f9485e0e5a9234dc03b0a4fcc3
Status:
ERROR
Block height:
39742398
Block id:
6308d72ce7b39899aa0d34829b9aed3cc122f12e8347ea456b27994ac9079a52
Timestamp:
Wednesday 26 October 2022 at 10:23:07 UTC
()
Proposer:
Authorizers:
Gas used:
50