My managrt stiffed me on a raise. What do I do?

I have recently joined a company as a contracts administrator for a commercial builder. A month later we have become short on site managers and I was asked to site manage on top of being a CA. My manager said that he will have a discussion with me regarding a raise. It has been one week and I followed up with him today via email. He said that he hasn't seen me hence the convo hasn't taken place. Couldn't you teams call me or get on the phone with me? I am very angry as I feel like I have been stiffed. What should i do?

My managrt stiffed me on a raise. What do I do?
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