Invisible pond surface

What this problem is related to? (e.g. Broken model or texture / Incorrectly placed model / Particle Effect / Animation / Collision problem / etc. ):

Location/Coordinates (/pos, if relevant):

Describe the problem: Can’t see the water surface

List the steps that occurred before the problem appeared (if relevant):
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Can you reproduce the problem? (if relevant):

Screenshots/Videos (if available):