Flow price: --
b2175d0fb27e41e478c1fed4e7e4b06f70d2b74fe81a1347a4681f64634fa121

Transaction

Hash: b2175d0fb27e41e478c1fed4e7e4b06f70d2b74fe81a1347a4681f64634fa121
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2175d0fb27e41e478c1fed4e7e4b06f70d2b74fe81a1347a4681f64634fa121:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2175d0fb27e41e478c1fed4e7e4b06f70d2b74fe81a1347a4681f64634fa121
Status:
ERROR
Block height:
39852396
Block id:
97a606aae3d57b3234c2514ea8cb9dd7bdd6583f3e29ef002ee540293baecd0e
Timestamp:
Friday 28 October 2022 at 06:44:13 UTC
()
Proposer:
Authorizers:
Gas used:
46