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The data feed needs to be changed. Because the URL references are now no longer stored in the comments. The data feed needs to be adjusted so that the comments no longer contain the
URL references.
Usage of flagSource="UR" is only necessary for Delft-FEWS versions before stable2021.02 #116612, after this version flagSource="UR" is removed and no longer needed for URL references
Instead of defining the URL the comments it is now only necessary to set the flag source value to "URL" to indicate that an external image is available.
Below an example of a line of data prior to migrating to URL templates
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After migration the event line should like this
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