2209586 - Deployment fails: alias 'b2b_ICNC' already exists in HTTP Provider Service

Deploying changes to the webshop fails with the exception below :

Caught exception during application deployment from SAP J2EE Engine's deploy service: java.rmi.RemoteException:  Cannot deploy application sap.com/crm.b2b_ICNC.. Reason: Application alias [b2b_ICNC] for application [sap.com/crm.b2b_ICNC] already exists in the HTTP Provider Service.  The application that holds this alias is [sap.com/b2b_ICNC].; nested exception is: com.sap.engine.services.deploy.container.DeploymentException: <--Localization failed: ResourceBundle='com.sap.engine.services.deploy.DeployResourceBundle', ID='com.sap.engine.services.servlets_jsp.server.exceptions.WebDeploymentException: Application alias [b2b_ICNC] for application [sap.com/crm.b2b_ICNC] already exists in the  HTTP Provider Service. The application that holds this alias is [sap.com/b2b_ICNC]. at com.sap.engine.services.servlets_jsp.server.container.DeployAction.deploy(DeployAction.java:151)

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• SAP J2EE Engine 6.40
• Netweaver AS Java 7.0x

SAP Customer Relationship Management 4.0 ; SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

sap.com/crm.b2b_ICNC,  Deployment fails, alias 'b2b_ICNC' , KBA , BC-JAS-DPL , Deployment , Problem