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Please check if all scene elements are properly connected via a "Hub01" node in the → "Relationship Editor". In this configuration the fluid will be able to collide with the vase and the daemon attracts the particles. Without these connections you will not see any particles. If the lines and the "Hub01" icon are missing please add a → "Hub" node from the panel's icon bar. Then connect the nodes as shown below by dragging lines between the icons with a pressed Ctrl/Cmd key. Also make sure that Edit > Add > Add to Default Hub is active. With this option all new nodes will be linked via a "Hub" automatically to establish global connections.
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