If a large sign to the site on a map while maintaining the database it is truncated to 255 characters. I'm in the table `sysmaps_elements` changed the field of `label` varchar to a text, if it works correctly, please add this fix in the next release.
Example label:

:GEDE_SitePro_upsEstimatedChargeRemaining.last(0)}
Load L1: {{HOSTNAME}:GEDE_SitePro_upsOutputPercentLoad_L1.last(0)}
Load L2: {{HOSTNAME}:GEDE_SitePro_upsOutputPercentLoad_L2.last(0)}
Load L3: {{HOSTNAME}:GEDE_SitePro_upsOutputPercentLoad_L3.last(0)}
MinutesRemaining:{{HOSTNAME}:GEDE_SitePro_upsEstimatedMinutesRemaining.last(0)}
Temperature:{{HOSTNAME}:GEDE_SitePro_upsBatteryTemperature.last(0)}