can anyone le me know why does my service crashes and how can i handle it

com.test:sync_fam E/AndroidRuntime: FATAL EXCEPTION: SyncAdapterThread-1Process: com.test:sync_fam, PID: 28284java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String odoo.helper.utils.gson.OdooResult.getString(java.lang.String)' on a null object referenceat odoo.helper.OdooVersion.parseVersion(OdooVersion.java:70)at odoo.wrapper.OdooWrapper.getVersionInfo(OdooWrapper.java:309)at odoo.wrapper.OdooWrapper.connect(OdooWrapper.java:136)at odoo.Odoo.createQuickInstance(Odoo.java:116)at com.odoo.core.service.OSyncAdapter.createOdooInstance(OSyncAdapter.java:295)at com.odoo.core.service.OSyncAdapter.onPerformSync(OSyncAdapter.java:118)at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:272)