Problem
You installed WebSpellChecker Server version 5.23.0.0, but it does not work and you noticed the 'Exception: Illegal Instruction' error in the Logs files. The files are located in the /<WSC_Installation_Path>/WSC/AppServer/Logs directory. Below is an example of the mentioned error:
09/12/22:00:00:16.332 #12786:0 Subsystem_General Error Illegal Instruction
09/12/22:00:01:16.332 #12786:0 Subsystem_General Fatal Caught a signal: Illegal Instruction
Your server doesn't support AVX2/AVX512 (Advanced Vector Extensions) instructions. If this is the case, AI-based engines won't work as well as the software if you are downloading AI-based engines during the installation. The WebSpellChecker AI engine was built using modern approaches in Natural Language Processing (NLP). Unlike the classical rules or dictionary-based engines, it's based on the huge pre-trained language model. Thus, its accuracy is higher. You can also review the hardware requirements.
Anyway, there are two options that we can suggest:
1. Change the server to the one which supports AVX2/AVX512 instructions.
2. If changing the server isn't an option, you can reinstall the software and don't choose AI-based languages and autocomplete functionality. To do so please follow the steps below:
a. Reinstall the software. Here is a detailed guide on how to do that.
b. At Step 6. Select AI-based languages (this is the step where you choose which AI-based models to use) please choose 0 (None), and don't press Enter. This is important because by pressing Enter the default values 1,2 will be chosen which are AI-based English and AI-based autocomplete functionality for English. When you choose 0 (None) the AI-based languages or autocomplete functionality will not be installed.
