I have checked on Build server, when performing DB sync on build machine I am getting the same error.
Exception : System.Management.Automation.MethodInvocationException: Exception calling
"CreateRuntimeProvider" with "1" argument(s): "Serialization version mismatch detect, make sure
the runtime dlls are in sync with the deployed metadata. Version of file '209'. Version of dll
'208'." Microsoft.Dynamics.AX.Metadata.Storage.MetadataReadException: Serialization
version mismatch detect, make sure the runtime dlls are in sync with the deployed metadata.
Version of file '209'. Version of dll '208'.
at Microsoft.Dynamics.AX.Metadata.Storage.RuntimeDeserializer.DeserializeObject(BinaryReader
reader) in D:\dbs\sh\l23t\0413_191000\cmd\0\Source\Kernel\Metadata\Metadata.Storage\Runtime\Runt
imeDeserializer.cs:line 22
at Microsoft.Dynamics.AX.Metadata.Storage.Runtime.RuntimeModelManifestProvider.Cache..ctor(ID
ictionary`2 archives, RuntimeProviderConfiguration configuration) in D:\dbs\sh\l23t\0413_191000\
cmd\0\Source\Kernel\Metadata\Metadata.Storage\Runtime\RuntimeModelManifestProvider.cs:line 328
Microsoft.Dynamics.AX.Metadata.Storage.Runtime.RuntimeModelManifestProvider..ctor(IDictionary`2
archives, RuntimeProviderConfiguration configuration, Boolean ignoreStrictSetting) in D:\dbs\sh\
l23t\0413_191000\cmd\0\Source\Kernel\Metadata\Metadata.Storage\Runtime\RuntimeModelManifestProvi
at Microsoft.Dynamics.AX.Metadata.Storage.Runtime.RuntimeMetadataProvider..ctor(RuntimeProvid
erConfiguration configuration, Boolean extensions, ExtensionLoader`1 formExtensionLoader,
ExtensionLoader`1 tableExtensionLoader, ExtensionLoader`1 enumExtensionLoader,
ExtensionLoader`1 menuExtensionLoader, ExtensionLoader`1 securityRoleExtensionLoader,
ExtensionLoader`1 securityDutyExtensionLoader, ExtensionLoader`1 dataEntityViewExtensionLoader,
ExtensionLoader`1 edtExtensionLoader, ExtensionLoader`1 viewExtensionLoader, ExtensionLoader`1
querySimpleExtensionLoader, ExtensionLoader`1 menuItemDisplayExtensionLoader, ExtensionLoader`1
menuItemActionExtensionLoader, ExtensionLoader`1 menuItemOutputExtensionLoader,
ExtensionLoader`1 workflowTemplateExtensionLoader, ExtensionLoader`1
workflowTaskExtensionLoader, ExtensionLoader`1 workflowApprovalExtensionLoader) in D:\dbs\sh\l23
t\0413_191000\cmd\0\Source\Kernel\Metadata\Metadata.Storage\Runtime\RuntimeMetadataProvider.cs:l
at Microsoft.Dynamics.AX.Metadata.Storage.MetadataProviderFactory.CreateRuntimeProvider(Runti
meProviderConfiguration configuration) in D:\dbs\sh\l23t\0413_191000\cmd\0\Source\Kernel\Metadat
a\Metadata.Storage\MetadataProviderFactory.cs:line 151
at CallSite.Target(Closure , CallSite , Object , Object )