B4R Question an error using Arduino nano every

hi all of you.
i have an Arduino nano every but i can not use that because This error is displayed .
also my OS is windows7 64bit.

B4R Version: 3.90
Parsing code. (0.00s)
Building folders structure. (0.00s)
Compiling code. (0.08s)
Building project (0.12s)
Compiling & deploying Ino project (Arduino Nano Every - COM6) Error
Loading configuration...
Initializing packages...
DEBUG StatusLogger Using ShutdownCallbackRegistry class org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger AsyncLogger.ThreadNameStrategy=UNCACHED (user specified null, default is UNCACHED)
TRACE StatusLogger Using default SystemClock for timestamps.
DEBUG StatusLogger org.apache.logging.log4j.core.util.SystemClock does not support precise timestamps.
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger Took 0.093047 seconds to load 209 plugins from sun.misc.Launcher$AppClassLoader@1e6f5c3
DEBUG StatusLogger PluginManager 'Converter' found 44 plugins
DEBUG StatusLogger Starting OutputStreamManager SYSTEM_OUT.false.false-1
DEBUG StatusLogger Starting LoggerContext[name=1e6f5c3, org.apache.logging.log4j.core.LoggerContext@132c79a]...
DEBUG StatusLogger Reconfiguration started for context[name=1e6f5c3] at URI null (org.apache.logging.log4j.core.LoggerContext@132c79a) with optional ClassLoader: null
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger PluginManager 'ConfigurationFactory' found 4 plugins
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger Missing dependencies for Yaml support, ConfigurationFactory org.apache.logging.log4j.core.config.yaml.YamlConfigurationFactory is inactive
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger Not in a ServletContext environment, thus not loading WebLookup plugin.
DEBUG StatusLogger Using configurationFactory org.apache.logging.log4j.core.config.ConfigurationFactory$Factory@57d4dd
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.properties] using context class loader sun.misc.Launcher$AppClassLoader@1e6f5c3.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.properties] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.properties] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.properties] using ClassLoader.getSystemResource().
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yml] using context class loader sun.misc.Launcher$AppClassLoader@1e6f5c3.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yml] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yml] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yml] using ClassLoader.getSystemResource().
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yaml] using context class loader sun.misc.Launcher$AppClassLoader@1e6f5c3.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yaml] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yaml] using sun.misc.Launcher$AppClassLoader@1e6f5c3 class loader.
TRACE StatusLogger Trying to find [log4j2-test1e6f5c3.yaml] using ClassLoader.getSystemResource().