I have sample size of 264 in my ordinal regression model and tried to run bootstrapping.

I tried 1000 (By default and 100 (Less than 264) as number of sample size but I received warning from SPSS as this:

For split file $bootstrap_split = 0, there are 1024 (80.0%) cells (i.e., dependent variable levels by observed combinations of predictor variable values) with zero frequencies.

For split file $bootstrap_split = 1, there are 672 (80.0%) cells (i.e., dependent variable levels by observed combinations of predictor variable values) with zero frequencies.

....

For split file $bootstrap_split = 356, there are 1020 (80.0%) cells (i.e., dependent variable levels by observed combinations of predictor variable values) with zero frequencies.

This command is trying to save new variables while bootstrapping is in effect. The new variables will be lost.

Execution of this command stops.

Then the software display the same relevant model test results again.

May I know how to deal with this problem?

Thanks.