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  1. Smile1465
    I'm Labeling flow information of a pipe (RCB to be specific, but I'll use pipe), and almost at random parts of the expression disappear leaving me with an error for the labels and having to go through the tedious process of fixing the expressions. This happens with several expressions but the same information is missing. So for example: HYDRAULIC RADIUS RCB: (AREA_OF_PIPE_RCB)/(2*{Inner Pipe Height}+2*{Inner Pipe Width}) Becomes (AREA_OF_PIPE_RCB)/(2*+2*) It always seems to be losing the information related with the pipe's property. While it does it this when I restart AutoCad it doesn't do it everytime, I cant find to seem to find any pattern to when it does it. I'm new here, I did a quick search and didn't find anything, I asked a few of the veterans in my office and they haven't seen anything like this, so hence I'm posting here. I appreciate everyone's time.
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