Problem with building my app with ExtJS CE

Question

I'm trying ExtJS 7.0.0-CE with a small app to test. When I try to build my app for testing or production, I have this error, please help

PS C:\Users\User1\Documents\Sencha CE\Projects\step-form> sencha app build production
Wat!
configFile: C:\Users\USer1\Documents\Sencha CE\Projects\step-form\node_modules\@sencha\cmd\dist\sencha.cfg
Sencha Cmd v7.0.0.40
[INF] Using GPL version of Ext JS version 7.0.0 from C:\Users\PeterBennett\Documents\Sencha CE\Projects\step-form\node_modules\@sencha\ext.
[INF] The implications of using GPL version can be found here (http://www.sencha.com/products/extjs/licensing).
[INF] Processing Build Descriptor : desktop (production environment)
loadLibrary UnsatisfiedLinkError: Could not load the library from file.
Exception in thread "Thread-1" java.lang.UnsatisfiedLinkError: phdl.Phdl.IO()I
    at phdl.Phdl.IO(Native Method)
    at com.sencha.licenses.update.UpdatePing.initPing(UpdatePing.java:305)
    at com.sencha.licenses.update.UpdatePing.ping(UpdatePing.java:290)
    at com.sencha.licenses.update.UpdatePing.pingOnInterval(UpdatePing.java:247)
    at com.sencha.licenses.update.UpdatePing.run(UpdatePing.java:144)
    at com.sencha.licenses.update.UpdatePing.pingWithInterval(UpdatePing.java:105)
    at com.sencha.util.LicenseUtil.verify(LicenseUtil.java:297)
    at com.sencha.util.LicenseUtil.access$000(LicenseUtil.java:23)
    at com.sencha.util.LicenseUtil$1.run(LicenseUtil.java:250)
    at java.lang.Thread.run(Unknown Source)
[INF] Loading compiler context
[INF] Loading app json manifest...

Thank you in advance

build app for production

Answer 1

This error could be ignored. My build is working fine. I am using Java 8/11. If it is higher version of Java, there are build errors.