If you are on PC can you please go into the game try to play with the mod and after it returns to the main menu screen go to Documents\My Games\Sid Meier's Civilization VI\Logs and post a copy of Database.log here?
having same problem here...cant upload file so here's text.
[1330879.059] [Localization]: Validating Foreign Key Constraints...
[1330879.059] [Localization]: Passed Validation.
[1330879.067] [Configuration]: Validating Foreign Key Constraints...
[1330879.067] [Configuration]: Passed Validation.
[1330886.826] [FullTextSearch]: Initializing FullTextSearch
[1330887.118] [Gameplay]: Validating Foreign Key Constraints...
[1330887.128] [Gameplay]: Passed Validation.
[1330887.508] [Configuration]: Validating Foreign Key Constraints...
[1330887.509] [Configuration]: Passed Validation.
[1330905.417] [FullTextSearch]: FTS - Creating Context
[1330913.269] [FullTextSearch]: FTS - Creating Context
[1330936.636] [Gameplay] ERROR: UNIQUE constraint failed: UnitAiInfos.UnitType, UnitAiInfos.AiType
[1330936.636] [Gameplay]: While executing - 'insert into UnitAiInfos('UnitType', 'AiType') values (?, ?);'
[1330936.636] [Gameplay]: In XMLSerializer while inserting row into table insert into UnitAiInfos('UnitType', 'AiType') with values (UNIT_RANGER, UNITTYPE_RANGED, ).
[1330936.636] [Gameplay]: In XMLSerializer while updating table UnitAiInfos from file delnars_fixes.xml.
[1330936.636] [Gameplay] ERROR: UNIQUE constraint failed: UnitAiInfos.UnitType, UnitAiInfos.AiType
[1330936.677] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1330936.677] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1330936.677] [Gameplay]: Validating Foreign Key Constraints...
[1330936.686] [Gameplay] ERROR: Invalid Reference on TraitModifiers.TraitType - "TRAIT_LEADER_EXALTED_GODDESS" does not exist in Traits
[1330936.688] [Gameplay]: Failed Validation.
[1330936.726] [Gameplay]: Validating Foreign Key Constraints...
[1330936.739] [Gameplay]: Passed Validation.
[1330937.658] [FullTextSearch]: FTS - Creating Context
[1330937.838] [Configuration]: Validating Foreign Key Constraints...
[1330937.838] [Configuration]: Passed Validation.
[1330942.668] [FullTextSearch]: FTS - Creating Context
[1330945.452] [Configuration]: Validating Foreign Key Constraints...
[1330945.452] [Configuration]: Passed Validation.
[1330955.737] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1330955.737] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1330955.737] [Gameplay]: Validating Foreign Key Constraints...
[1330955.748] [Gameplay] ERROR: Invalid Reference on TraitModifiers.TraitType - "TRAIT_LEADER_EXALTED_GODDESS" does not exist in Traits
[1330955.750] [Gameplay]: Failed Validation.
[1330955.786] [Gameplay]: Validating Foreign Key Constraints...
[1330955.800] [Gameplay]: Passed Validation.
[1330956.542] [FullTextSearch]: FTS - Creating Context
[1330956.656] [Configuration]: Validating Foreign Key Constraints...
[1330956.656] [Configuration]: Passed Validation.
[1330960.253] [FullTextSearch]: FTS - Creating Context
[1330966.388] [Configuration]: Validating Foreign Key Constraints...
[1330966.389] [Configuration]: Passed Validation.
[1330972.995] [Gameplay]: Validating Foreign Key Constraints...
[1330973.005] [Gameplay]: Passed Validation.
[1330977.349] [FullTextSearch]: FTS - Creating Context
[1330977.500] [FullTextSearch]: FTS - Creating Context
[1330977.937] [FullTextSearch]: FTS - Creating Context
[1331001.439] [FullTextSearch]: FTS - Creating Context
[1331001.532] [Configuration]: Validating Foreign Key Constraints...
[1331001.533] [Configuration]: Passed Validation.
[1331005.075] [FullTextSearch]: FTS - Creating Context
[1331007.650] [Configuration]: Validating Foreign Key Constraints...
[1331007.650] [Configuration]: Passed Validation.
[1331014.623] [Configuration]: Validating Foreign Key Constraints...
[1331014.623] [Configuration]: Passed Validation.
[1331014.934] [Gameplay] ERROR: no such table: BaseGameText
[1331014.934] [Gameplay]: In Query - insert into BaseGameText('Tag', 'Text') values (?, ?);
[1331014.934] [Gameplay]: In XMLSerializer while updating table BaseGameText from file BetterTradeScreen_Text.xml.
[1331014.960] [Gameplay]: Validating Foreign Key Constraints...
[1331014.971] [Gameplay]: Passed Validation.
[1331017.516] [FullTextSearch]: FTS - Creating Context
[1331017.991] [FullTextSearch]: FTS - Creating Context
[1331018.814] [FullTextSearch]: FTS - Creating Context
[1331092.602] [FullTextSearch]: FTS - Creating Context
[1331092.709] [Configuration]: Validating Foreign Key Constraints...
[1331092.709] [Configuration]: Passed Validation.
[1331097.411] [FullTextSearch]: FTS - Creating Context
[1331100.906] [Configuration]: Validating Foreign Key Constraints...
[1331100.906] [Configuration]: Passed Validation.
[1331131.356] [Configuration]: Validating Foreign Key Constraints...
[1331131.356] [Configuration]: Passed Validation.
[1331143.934] [Gameplay] ERROR: no such table: BaseGameText
[1331143.934] [Gameplay]: In Query - insert into BaseGameText('Tag', 'Text') values (?, ?);
[1331143.934] [Gameplay]: In XMLSerializer while updating table BaseGameText from file BetterTradeScreen_Text.xml.
[1331143.941] [Gameplay] ERROR: UNIQUE constraint failed: UnitAiInfos.UnitType, UnitAiInfos.AiType
[1331143.941] [Gameplay]: While executing - 'insert into UnitAiInfos('UnitType', 'AiType') values (?, ?);'
[1331143.941] [Gameplay]: In XMLSerializer while inserting row into table insert into UnitAiInfos('UnitType', 'AiType') with values (UNIT_RANGER, UNITTYPE_RANGED, ).
[1331143.941] [Gameplay]: In XMLSerializer while updating table UnitAiInfos from file delnars_fixes.xml.
[1331143.941] [Gameplay] ERROR: UNIQUE constraint failed: UnitAiInfos.UnitType, UnitAiInfos.AiType
[1331143.985] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1331143.985] [Gameplay] ERROR: FOREIGN KEY constraint failed
[1331143.985] [Gameplay]: Validating Foreign Key Constraints...
[1331143.995] [Gameplay] ERROR: Invalid Reference on TraitModifiers.TraitType - "TRAIT_LEADER_EXALTED_GODDESS" does not exist in Traits
[1331143.997] [Gameplay]: Failed Validation.
[1331144.038] [Gameplay]: Validating Foreign Key Constraints...
[1331144.051] [Gameplay]: Passed Validation.
[1331144.984] [FullTextSearch]: FTS - Creating Context
[1331145.142] [Configuration]: Validating Foreign Key Constraints...
[1331145.142] [Configuration]: Passed Validation.
[1331154.093] [FullTextSearch]: FullTextSearch - Shutting down