- Tables not displayed properly, errors about missing information:Keep OTs, ODFs and pre-images in the same directory. Launch GMMPS from the same directory.
- Strange Skycat errors / behaviour:Do not run GMMPS in the background if displaying it from a remote host. If the connection to the host fails, or other similar problems arise, then unusual errors occur in Skycat. It is safer/easier to just run the software in the foreground.
- Objects not displayed after loading OT/ODF:Objects are plotted based on their RA/DEC. If they are not shown, then this can be caused by
- the OT (ODF) not matching the pre-image
- a conversion error somewhere along the way. For example, you fed RA in hour format but specified degrees in one of the IRAF tasks (e.g. when creating :ref:`pseudo-images <pseudo_image_label>` with :ref:`gmskcreate <gmskcreate_label>`).
- Desired objects not included in mask/ODF:Go back to the OT and change the priorities, e.g. ignore more objects or give more unwanted objects lower priorities. Alternatively, increase the :ref:`number of masks <number_of_masks_label>` to be created from a single OT.