How do I resolve the error "Time object cannot be empty" error when generating code?

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MathWorks Support Team
回答： MathWorks Support Team 2025-7-9

When trying to generate code for a Simulink model, I receive the following error:

### Build procedure for product aborted due to an error.
Build Summary 1
Elapsed: 0.3 sec
Top model targets built:

Model Action Rebuild Reason
===================================================================
product Failed Code generation information file does not exist.

0 of 1 models built (0 models already up to date)
Build duration: 0h 0m 2.898s
Internal error while creating code interface description file: codeInfo.mat. Aborting code generation.
Caused by:
Time object cannot be empty
How can I resolve this error?

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采纳的回答

MathWorks Support Team
First verify that there are no duplicate "coderInfo.mat" files on the MATLAB path by entering the command
>> which codeInfo.mat -all
If there are more than one instances of this file, remove the one unrelated to the project from the path and try code generation again.
For the next step, try restoring the default MATLAB path on your installation. It is possible that there are critical coder files that were accidently removed from the path that are necessary to build your model. 
To do so please refer to the following MATLAB Answers post which details how to restore your MATLAB path and cache:
How can I perform initial troubleshooting of MATLAB or Simulink errors?

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