I got the error on centos 7: failed to tokenize string! about inferllm

[Mignet]

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Breakpoint 1, inferllm::ModelImp::tokenize (this=0x51e1b0, text=" Below is an instruction that describes a task. Write a response that appropriately completes the request.\n\n", bos=true) at /root/InferLLM/src/core/model_imp.cpp:83
83 std::vectorVocab::Id res;
(gdb) c
Continuing.

Breakpoint 2, inferllm::ModelImp::tokenize (this=0x51e1b0, text=" Below is an instruction that describes a task. Write a response that appropriately completes the request.\n\n", bos=true) at /root/InferLLM/src/core/model_imp.cpp:92
92 for (int i = 0; i < len; i++) {
(gdb) i b
Num Type Disp Enb Address What
1 breakpoint keep y 0x000000000040e993 in inferllm::ModelImp::tokenize(std::string const&, bool) at /root/InferLLM/src/core/model_imp.cpp:83
breakpoint already hit 1 time
2 breakpoint keep y 0x000000000040e9fc in inferllm::ModelImp::tokenize(std::string const&, bool) at /root/InferLLM/src/core/model_imp.cpp:92
breakpoint already hit 1 time
(gdb) c
Continuing.
failed to tokenize string!

[Mignet]

cpu 2 core, mem 4 G