UserWarning: Converting sparse IndexedSlices to a dense Tensor of unknown shape

Hi, I am implementing Mask-RCNN (following GitHub - matterport/Mask_RCNN: Mask R-CNN for object detection and instance segmentation on Keras and TensorFlow). However, while starting training, I get the following error:

I shall be grateful, if anybody help me out with this issue.

It seems the warning is raised by TensorFlow, so you might want to ask in their mailing list or on StackOverflow, as you might find more TF experts there :wink: