Glossary Converter Error

I got this error from Glossary converter. I was trying to create a half million entry termbase, nothing complicated at all! Why am I getting this error please?

MultiTerm is unable to create the termbase.
Unspecified error

Source: MtServer
   at Sdl.Tools.GlossaryConverter.TMO19.Interop.ITermbases.New(String TermbaseName, String Description, String TermbaseDefinitionFile, String TermbaseDestinationFilePath)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseProxy.CreateLocalTermbase(String path, String termbaseName, String xdtPath)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseHandler.CreateTermbaseInternal(String path)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseHandler.CreateTermbase(String path, List`1 fields)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.SdlTbWriter.CreateTermbase(String outputPath, List`1 fields)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.SdlTbWriter.Initialise(String outputPath, List`1 fields, Dictionary`2 attributes)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.Converter.Convert(List`1 inputFilters, List`1 inputPaths, IFilter outputFilter)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.FileHandler.HandleMultipleFiles(List`1 files)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.FileHandler.ProcessFiles(List`1 files)
Program version 6.0.7491.27282

Windows version: Windows 10, Build 18362, 64 bit (English (United States))

.net versions:
v2.0.50727  2.0.50727.4927  SP2
v3.0  3.0.30729.4926  SP2
v3.5  3.5.30729.4926  SP1
Client  4.8.03752
Full  4.8.03752
Client  4.0.0.0

 Libre/OpenOffice version: 

 MultiTerm version: MultiTerm 15.0.0.0


7/30/2020 2:27 PM	Could not find LibreOffice.CalcDocument\CurVer in registry
7/30/2020 2:27 PM	Could not find opendocument.CalcDocument\CurVer in registry

<Settings version="3">
  <Fields>
    <Field>
      <FieldName>Arabic</FieldName>
      <FieldType>Language</FieldType>
      <FieldContent>Language</FieldContent>
      <Ignore>false</Ignore>
      <LanguageCode>ar</LanguageCode>
    </Field>
    <Field>
      <FieldName>Arabic ellaborated</FieldName>
      <FieldType>TermField</FieldType>
      <FieldContent>Text</FieldContent>
      <Ignore>false</Ignore>
    </Field>
    <Field>
      <FieldName>Category</FieldName>
      <FieldType>TermField</FieldType>
      <FieldContent>Text</FieldContent>
      <Ignore>false</Ignore>
    </Field>
    <Field>
      <FieldName>English</FieldName>
      <FieldType>Language</FieldType>
      <FieldContent>Language</FieldContent>
      <Ignore>false</Ignore>
      <LanguageCode>en</LanguageCode>
    </Field>
    <Field>
      <FieldName>English Description</FieldName>
      <FieldType>Language</FieldType>
      <FieldContent>Language</FieldContent>
      <Ignore>false</Ignore>
      <LanguageCode>ar-SA</LanguageCode>
    </Field>
    <Field>
      <FieldName>English Ellaborated</FieldName>
      <FieldType>TermField</FieldType>
      <FieldContent>Text</FieldContent>
      <Ignore>false</Ignore>
    </Field>
    <Field>
      <FieldName>English Idiom</FieldName>
      <FieldType>Language</FieldType>
      <FieldContent>Language</FieldContent>
      <Ignore>false</Ignore>
      <LanguageCode>en-US</LanguageCode>
    </Field>
  </Fields>
  <AlwaysShowFieldsDialog>false</AlwaysShowFieldsDialog>
  <CheckForUpdates>true</CheckForUpdates>
  <PlaySound>false</PlaySound>
  <FastExcelMode>true</FastExcelMode>
  <ExcelTags>true</ExcelTags>
  <ExcelRawMode>false</ExcelRawMode>
  <DefineTermbaseOutputFormat>true</DefineTermbaseOutputFormat>
  <MergeFiles>false</MergeFiles>
  <UseTermbaseTemplate>false</UseTermbaseTemplate>
  <UseMasterTermbase>false</UseMasterTermbase>
  <MergeLanguages>false</MergeLanguages>
  <MergeSubLanguages>false</MergeSubLanguages>
  <MergeEntryNumber>false</MergeEntryNumber>
  <MasterTermbase></MasterTermbase>
  <MergeField></MergeField>
  <TermbaseTemplate></TermbaseTemplate>
  <Synonyms>
    <Type>OneLine</Type>
    <Column></Column>
    <Repeat>false</Repeat>
    <Separator>|</Separator>
  </Synonyms>
  <DefaultGlossaryFormat>MultiTerm Termbase</DefaultGlossaryFormat>
  <UiLocale>en</UiLocale>
  <UiTheme>Default</UiTheme>
  <SettingsTab>0</SettingsTab>
  <EmptyOutput>false</EmptyOutput>
  <IgnoreUnknownFields>false</IgnoreUnknownFields>
  <CreateEmptyFields>false</CreateEmptyFields>
  <WriteDocType>false</WriteDocType>
  <LargeFileExcelMode>false</LargeFileExcelMode>
  <MultiFieldMode>ignore</MultiFieldMode>
  <CreationUser>glossaryconverter</CreationUser>
  <TbCopyright></TbCopyright>
  <TbDescription></TbDescription>
  <UseContentFilter>false</UseContentFilter>
  <RegexContentFilter>false</RegexContentFilter>
  <ContentFilterText></ContentFilterText>
  <Tbx>
    <Dialect>Core</Dialect>
    <ResolveNote>false</ResolveNote>
    <MappingFile></MappingFile>
    <UseMappingFile>false</UseMappingFile>
  </Tbx>
</Settings>

in: H:\VIP Translation Resources\All Terminology\Arabic Dict_Almaany Round1.xlsx
out: H:\VIP Translation Resources\All Terminology\Arabic Dict_Almaany Round1.sdltb

Conversion start: 7/30/2020 2:26:39 PM
****  There was an error creating the output file.
System.Runtime.InteropServices.COMException (0x80040244): MultiTerm is unable to create the termbase.
Unspecified error
   at Sdl.Tools.GlossaryConverter.TMO19.Interop.ITermbases.New(String TermbaseName, String Description, String TermbaseDefinitionFile, String TermbaseDestinationFilePath)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseProxy.CreateLocalTermbase(String path, String termbaseName, String xdtPath)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseHandler.CreateTermbaseInternal(String path)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.TermbaseHandler.CreateTermbase(String path, List`1 fields)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.SdlTbWriter.CreateTermbase(String outputPath, List`1 fields)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Filters.SdlTbWriter.Initialise(String outputPath, List`1 fields, Dictionary`2 attributes)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.Converter.Convert(List`1 inputFilters, List`1 inputPaths, IFilter outputFilter)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.FileHandler.HandleMultipleFiles(List`1 files)
   at Sdl.MultiTerm.Tools.GlossaryConverter.Workflow.FileHandler.ProcessFiles(List`1 files)