Unexpected error:

Saving updated preferences…done.
Testing with a simple model…
UNEXPECTED ERROR: ---------------------------------------
Undefined function ‘variable’ for input arguments of type
‘char’.
Error in cvx_setup (line 260)
variable(‘x(n)’);
---------------------------------------------------------
Please report this error to support, and include entire output of
CVX_SETUP in your support request.

cvx has stopped working suddenly and showing this error .

cvx_setup


CVX: Software for Disciplined Convex Programming (c)2014 CVX Research
Version 2.2, Build 1148 (62bfcca) Tue Jan 28 00:51:35 2020

Installation info:
Path: C:\Users\Arooj Fatima\Downloads\cvx-w64 2.2ver\cvx
MATLAB version: 9.13 (R2022b)
OS: Windows 10 amd64 version 10.0
Java version: 1.8.0_202
Verfying CVX directory contents:
WARNING: The following files/directories are missing:

esting with a simple model…
UNEXPECTED ERROR: -----------------
Unrecognized field name “id_”.
Error in cvxprob/cvx_id (line 2)
id = x.id_;
Error in == (line 5)
z = cvx_id( x ) == cvx_id( y );
Error in ~= (line 2)
z = ~eq( x, y );
Error in variable (line 42)
if pstr.self ~= prob,
Error in cvx_setup (line 211)
variable(‘x(n)’);
-----------------------------------
Please report this error to support, and include entire output of
CVX_SETUP in your support request.
------------------------------------- this is with cvx version 2.2 again getting error.
kindly suggest me what’s going on

I don’t know whether this will help, but you can try it: