Dremio Salesforce and java.lang.NoClassDefFoundError: com/dremio/exec/store/jdbc/AbstractDremioSqlDialect

In reference to Dremio Salesforce ARP connector at this link: Using Salesforce with Dremio Hub | Dremio

On adding the downloaded jar to Dremio jar folder, I receive the following exception. On removing it, there is no such exception. Thanks for your help in advance.

java.lang.NoClassDefFoundError: com/dremio/exec/store/jdbc/AbstractDremioSqlDialect
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.dremio.common.scanner.persistence.ScanResult.getAnnotatedClasses(ScanResult.java:175)
at com.dremio.exec.catalog.ConnectionReaderImpl.getCandidateSources(ConnectionReaderImpl.java:89)
at com.dremio.exec.catalog.ConnectionReaderImpl.makeReader(ConnectionReaderImpl.java:70)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.dremio.exec.catalog.ConnectionReader.of(ConnectionReader.java:69)
at com.dremio.dac.daemon.DACDaemonModule.build(DACDaemonModule.java:326)
at com.dremio.dac.daemon.DACDaemon.(DACDaemon.java:185)
at com.dremio.dac.daemon.DACDaemon.newDremioDaemon(DACDaemon.java:312)
at com.dremio.dac.daemon.DACDaemon.newDremioDaemon(DACDaemon.java:320)
at com.dremio.dac.daemon.DremioDaemon.main(DremioDaemon.java:145)
Caused by: java.lang.ClassNotFoundException: com.dremio.exec.store.jdbc.AbstractDremioSqlDialect
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
… 15 common frames omitted

@desi Have pinged the engineer who wrote this connector including your other post. will keep you updated