How to use Mandarin Language Model?

[Shawn-Qian]

When I copy the Mandarin language model to this project and use my custom grammer file,there is a error in the IDE's Logcat.

error:

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" FATAL: "fsg_lextree.c", line 718: #phones > 128; increase FSG_PNODE_CTXT_BVSZ and recompile"

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the content of my grammer file:

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#JSGF V1.0;

grammar digits;

= 1 ;

public = +;

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How to solve this error? What can I do?
please help me,thanks!