solution package cannot be imported because it contains invalid XML" error occurs in Microsoft Dynamics 365 (online)

Hi All,

When we imported my solution than we got following error.please check below screen sort below.

1.it contains invalid XML" error occurs in Dynamics 365

I find solution but this is static change in customization.xml file edit every time.

issue for this line <Length>0</Length>

when we update <Length>200</Length> than working fine.

customization.xml code :-

<attribute PhysicalName="EmailAddress">
<Type>nvarchar</Type>
<Name>emailaddress</Name>
<LogicalName>emailaddress</LogicalName>
<RequiredLevel>none</RequiredLevel>
<DisplayMask>ValidForAdvancedFind|ValidForForm|ValidForGrid</DisplayMask>
<ImeMode>auto</ImeMode>
<ValidForUpdateApi>1</ValidForUpdateApi>
<ValidForReadApi>1</ValidForReadApi>
<ValidForCreateApi>1</ValidForCreateApi>
<IsCustomField>0</IsCustomField>
<IsAuditEnabled>1</IsAuditEnabled>
<IsSecured>0</IsSecured>
<IntroducedVersion>1.0.0.0</IntroducedVersion>
<IsCustomizable>1</IsCustomizable>
<IsRenameable>1</IsRenameable>
<CanModifySearchSettings>1</CanModifySearchSettings>
<CanModifyRequirementLevelSettings>1</CanModifyRequirementLevelSettings>
<CanModifyAdditionalSettings>1</CanModifyAdditionalSettings>
<SourceType>0</SourceType>
<IsGlobalFilterEnabled>0</IsGlobalFilterEnabled>
<IsSortableEnabled>0</IsSortableEnabled>
<CanModifyGlobalFilterSettings>1</CanModifyGlobalFilterSettings>
<CanModifyIsSortableSettings>1</CanModifyIsSortableSettings>
<IsDataSourceSecret>0</IsDataSourceSecret>
<AutoNumberFormat></AutoNumberFormat>
<Format>email</Format>
<MaxLength>100</MaxLength>
<Length>0</Length>
<displaynames>
<displayname description="Email Address" languagecode="1033" />
</displaynames>
<Descriptions>
<Description description="The primary email address for the entity." languagecode="1033" />
</Descriptions>
</attribute>

I checked this field value in custom entity. please see screen sort below

What would a permanent solution to this issue ?

Thanks a lot