Given these world generation parameters:
[TITLE:CRATERION]
[CUSTOM_NAME:Craterion]
[SEED:3353680811]
[HISTORY_SEED:3928586549]
[NAME_SEED:1049799076]
[DIM:257:257]
[END_YEAR:1050]
[BEAST_END_YEAR:300:80]
[REVEAL_ALL_HISTORY:1]
[CULL_HISTORICAL_FIGURES:1]
[ELEVATION:1:400:0:0]
[RAINFALL:100:100:0:0]
[TEMPERATURE:25:75:1:10]
[DRAINAGE:100:100:0:0]
[VOLCANISM:100:100:0:0]
[SAVAGERY:0:100:400:400]
[ELEVATION_FREQUENCY:1:0:0:0:0:0]
[RAIN_FREQUENCY:1:0:0:0:0:0]
[DRAINAGE_FREQUENCY:1:0:0:0:0:0]
[TEMPERATURE_FREQUENCY:1:0:0:0:0:0]
[SAVAGERY_FREQUENCY:1:0:0:0:0:0]
[VOLCANISM_FREQUENCY:1:0:0:0:0:0]
[GOOD_SQ_COUNTS:0:0:0]
[EVIL_SQ_COUNTS:0:0:0]
[PEAK_NUMBER_MIN:0]
[OCEAN_EDGE_MIN:0]
[VOLCANO_MIN:200]
[REGION_COUNTS:SWAMP:0:0:0]
[REGION_COUNTS:DESERT:0:0:0]
[REGION_COUNTS:FOREST:0:0:0]
[REGION_COUNTS:MOUNTAINS:0:0:0]
[REGION_COUNTS:OCEAN:0:0:0]
[REGION_COUNTS:GLACIER:0:0:0]
[REGION_COUNTS:TUNDRA:0:0:0]
[REGION_COUNTS:GRASSLAND:0:0:0]
[REGION_COUNTS:HILLS:0:0:0]
[EROSION_CYCLE_COUNT:1]
[RIVER_MINS:800:800]
[PERIODICALLY_ERODE_EXTREMES:1]
[OROGRAPHIC_PRECIPITATION:1]
[SUBREGION_MAX:5000]
[CAVE_MIN_SIZE:200]
[CAVE_MAX_SIZE:500]
[MOUNTAIN_CAVE_MIN:200]
[NON_MOUNTAIN_CAVE_MIN:200]
[ALL_CAVES_VISIBLE:0]
[SHOW_EMBARK_RIVER:2]
[SHOW_EMBARK_POOL:2]
[SHOW_EMBARK_M_POOL:2]
[SHOW_EMBARK_M_PIPE:2]
[SHOW_EMBARK_CHASM:2]
[SHOW_EMBARK_PIT:2]
[SHOW_EMBARK_OTHER:2]
[SHOW_EMBARK_TUNNEL:2]
[TOTAL_CIV_NUMBER:50]
[TOTAL_CIV_POPULATION:20000]
[PLAYABLE_CIVILIZATION_REQUIRED:1]
[ELEVATION_RANGES:0:0:0]
[RAIN_RANGES:0:0:0]
[DRAINAGE_RANGES:0:0:0]
[SAVAGERY_RANGES:0:0:0]
[VOLCANISM_RANGES:0:0:0]
The generation process makes the game throw an illegal operation exception at about year 280-295. Did the volcanism bug return?