Flow price: --
1e391a4f9ef79fffa2cffb22d47060ab0b280a0289044c5c5f601536942d27b7

Transaction

Hash: 1e391a4f9ef79fffa2cffb22d47060ab0b280a0289044c5c5f601536942d27b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e391a4f9ef79fffa2cffb22d47060ab0b280a0289044c5c5f601536942d27b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1e391a4f9ef79fffa2cffb22d47060ab0b280a0289044c5c5f601536942d27b7
Status:
ERROR
Block height:
40114817
Block id:
1ce574d7c14fc8b91e1364fda858ec8e67189edfb8720f798543dbd876ae2668
Timestamp:
Tuesday 1 November 2022 at 15:54:54 UTC
()
Proposer:
Authorizers:
Gas used:
47