LISREL软件画路径系数图时出现如下运行结果是什么问题

The following lines were read from file C:\Documents and Settings\Administrator\桌面\test1.SPJ: Observed Variables FZ1 FZ2 FZ3 FZ4 FZ5 PG1 PG2 PG3 PG4 CX1 CX2 CX3 CX4 SY1 SY2 SY3 SY4 CHX1 CHX2 CHX3 CHX4 CHX5 Covariance Matrix from file 'C:\Documents and Settings\Administrator\桌面\test1.cov' Sample Size = 300 Latent Variables Relationships CX1 = CX W_A_R_N_I_N_G: Variable "CX" is not defined. CX2 = CX W_A_R_N_I_N_G: Variable "CX" is not defined. CX3 = CX W_A_R_N_I_N_G: Variable "CX" is not defined. CX4 = CX W_A_R_N_I_N_G: Variable "CX" is not defined. SY1 = SY W_A_R_N_I_N_G: Variable "SY" is not defined. SY2 = SY W_A_R_N_I_N_G: Variable "SY" is not defined. SY3 = SY W_A_R_N_I_N_G: Variable "SY" is not defined. SY4 = SY W_A_R_N_I_N_G: Variable "SY" is not defined. Path Diagram End of Problem Sample Size = 300 F_A_T_A_L E_R_R_O_R: Syntax errors found. Time used: 0.016 Seconds