hayes process 做有调节的中介总是报错，这是什么原因啊？
Run MATRIX procedure:
Scan error detected in parser.
>错误 # 12321，位于列 22。文本: %
>Scanner error - token is ignored.
>该命令未执行。
Error in RIGHT HAND SIDE of COMPUTE command.
The MATRIX statement skipped.

************* PROCESS Procedure for SPSS Release 2.16.3 ******************
          Written by Andrew F. Hayes, Ph.D.       www.afhayes.com
**************************************************************************
Model = 4
    Y = Y
    X = X
    M = X1
Sample size
       1317
**************************************************************************
Outcome: X1
Model Summary
          R       R-sq        MSE          F        df1        df2          p
      .5579      .3113   189.8834   594.3780     1.0000  1315.0000      .0000
Model
              coeff         se          t          p       LLCI       ULCI
constant    41.3250     1.9716    20.9604      .0000    37.4573    45.1928
X             .5863      .0240    24.3799      .0000      .5391      .6334
>Error encountered in source line #  6757
>错误 # 12492
>An attempt has been made to use previously undefined matrix (or scalar).
>该命令未执行。
Matrix - 'COVCOEFF' is undefined
>Error encountered in source line #  6757
>错误 # 12347
>Undefined operand for binary operator.
******************** ANALYSIS NOTES AND WARNINGS *************************
Number of bootstrap samples for bias corrected bootstrap confidence intervals:
     5000
Level of confidence for all confidence intervals in output:
    95.00
------ END MATRIX -----