when i open simulink on home library is openning but not simulink tab and while using simulink for every click or selecting any block i am getting these errors and warnings in command window

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vignan mullapudi
vignan mullapudi on 13 Jul 2020
when i open simulink on home library is openning but not simulink tab and while using simulink for every click or selecting any block i am getting these errors and warnings in command window. even though it is running normally but everytime these errors make me diversion from work.
Error using dig.isProductInstalled>getProductNames (line 50)
Java exception occurred:
java.lang.NullPointerException
at
com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
at
com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
at
com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78)
Error in dig.isProductInstalled (line 36)
productNames = getProductNames;
Error in slSingleSelectionActionConfig
Error using dig.isProductInstalled>getProductNames (line 50)
Java exception occurred:
java.lang.NullPointerException
at
com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
at
com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
at
com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78)
Error in dig.isProductInstalled (line 36)
productNames = getProductNames;
Error in slSingleSelectionActionConfig
Warning: Java exception occurred:
java.lang.NullPointerException
at
com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
at
com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
at
com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
at
com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
at
com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78)
> In sltemplate.ui.StartPage/showWithFallback
In sltemplate.ui.StartPage.show
>>

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