Severe error : UpdateZoneSizing: Cooling supply air temperature (calculated) within 2C of zone temperature

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Hello UMHT community,

Can you help me with these two severe errors and other 66 warnings :

Program Version,EnergyPlus, Version 23.2.0-7636e6b3e9, YMD=2024.08.26 23:42,
************* Beginning Zone Sizing Calculations
** Warning ** Weather file location will be used rather than entered (IDF) Location object.
**   ~~~   ** ..Location object=TUNIS
**   ~~~   ** ..Weather File Location=TUNIS - TUN IWEC Data WMO#=607150
**   ~~~   ** ..due to location differences, Latitude difference=[2.94] degrees, Longitude difference=[29.54] degrees.
**   ~~~   ** ..Time Zone difference=[0.0] hour(s), Elevation difference=[0.00] percent, [0.00] meters.
** Warning ** ProcessScheduleInput: DecodeHHMMField, Invalid "until" field value is not a multiple of the minutes for each timestep: 06:45
**   ~~~   ** Other errors may result. Occurred in Day Schedule=CLG HVAC
** Warning ** ProcessScheduleInput: Schedule:Constant="ALWAYS OFF DISCRETE", Blank Schedule Type Limits Name input -- will not be validated.
** Warning ** ProcessScheduleInput: Schedule:Constant="ALWAYS ON CONTINUOUS", Blank Schedule Type Limits Name input -- will not be validated.
** Warning ** GetHTSurfaceData: Surfaces with interface to Ground found but no "Ground Temperatures" were input.
**   ~~~   ** Found first in surface=FACE 76
**   ~~~   ** Defaults, constant throughout the year of (18.0) will be used.
** Warning ** GetSurfaceData: There are 14 coincident/collinear vertices; These have been deleted unless the deletion would bring the number of surface sides < 3.
**   ~~~   ** For explicit details on each problem surface, use Output:Diagnostics,DisplayExtraWarnings;
** Warning ** CheckUsedConstructions: There are 2 nominally unused constructions in input.
**   ~~~   ** For explicit details on each unused construction, use Output:Diagnostics,DisplayExtraWarnings;
** Warning ** GetInternalHeatGains: People="PEOPLE 4", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 2", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 3", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 1", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 5", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 9", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd comfort values may result; Schedule="OFFICE ACTIVITY".
**   ~~~   ** Entered min/max range=[60.8,] W/person.132.0
** Warning ** GetInternalHeatGains: People="PEOPLE 6", Activity Level Schedule Name values
**   ~~~   ** fall outside typical range [70,1000] W/person for Thermal Comfort Reporting.
**   ~~~   ** Odd ...