Flow price: --
15a55b4a2faae43465623dcf6906aacdc9d19372bc459d680808ccac749672b7

Transaction

Hash: 15a55b4a2faae43465623dcf6906aacdc9d19372bc459d680808ccac749672b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 15a55b4a2faae43465623dcf6906aacdc9d19372bc459d680808ccac749672b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
15a55b4a2faae43465623dcf6906aacdc9d19372bc459d680808ccac749672b7
Status:
ERROR
Block height:
40123440
Block id:
ebee2d09f60d843aa68abcc5b9d17c1311a5b25ec0d918d56cb0fe5b4cb3921b
Timestamp:
Tuesday 1 November 2022 at 19:25:01 UTC
()
Proposer:
Authorizers:
Gas used:
45