[Causes]
You might have not performed the following procedure described in the document.
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11.10.1. How to create a WAR file by CUI without IM-Juggling
Create a directory named project under the ant directory and locate IM-Juggling project files in it. A WAR file is then created by executing the following ant command in the command line.
https://www.intra-mart.jp/document/library/iap/public/setup/iap_setup_guide/texts/appendix/reference/im_juggling/cui_create.html?highlight=CUI#common-toolkit-cuiwar
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Please check the implementation procedure.
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iAP/Accel Platform/All Updates
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FAQID:687