COMPLETE THE FISHING CATALOGUE IN LESS THAN MINUTE! [Information]
Download the NMSSaveEditor by goatfungus from GitHub, select which save you want to edit, select "Edit", select "Edit Raw JSON", select "BaseContext", then "PlayerStateData", scroll down and open "FishRecords", then paste this code over the current one, close then click "save", and select "save changes" on the main page. I hope you find this helpful.
{ "ProductList":[ "^F_ALL_COM_S1", "^F_ALL_COM_S2", "^F_ALL_COM_S3", "^F_ALL_COM_M1", "^F_ALL_COM_M2", "^F_ALL_COM_L1", "^F_ALL_COM_XL", "^F_ALL_RARE_S1", "^F_ALL_RARE_S2", "^F_ALL_RARE_M1", "^F_ALL_RARE_M2", "^F_ALL_RARE_L1", "^F_ALL_RARE_XL", "^F_ALL_EPIC_S1", "^F_ALL_EPIC_M1", "^F_ALL_EPIC_L1", "^F_ALL_EPIC_XL", "^F_ALL_LEG_S1", "^F_ALL_LEG_M1", "^F_ALL_LEG_L1", "^F_ALL_LEG_XL", "^F_TOX_COM_S1", "^F_TOX_COM_S2", "^F_TOX_COM_S3", "^F_TOX_COM_M1", "^F_TOX_COM_M2", "^F_TOX_COM_L1", "^F_TOX_COM_XL", "^F_TOX_RARE_S1", "^F_TOX_RARE_S2", "^F_TOX_RARE_M1", "^F_TOX_RARE_M2", "^F_TOX_RARE_L1", "^F_TOX_RARE_XL", "^F_TOX_EPIC_S1", "^F_TOX_EPIC_M1", "^F_TOX_EPIC_L1", "^F_TOX_EPIC_XL", "^F_TOX_LEG_S1", "^F_TOX_LEG_M1", "^F_TOX_LEG_L1", "^F_TOX_LEG_XL", "^F_RAD_COM_S1", "^F_RAD_COM_S2", "^F_RAD_COM_S3", "^F_RAD_COM_M1", "^F_RAD_COM_M2", "^F_RAD_COM_L1", "^F_RAD_COM_XL", "^F_RAD_RARE_S1", "^F_RAD_RARE_S2", "^F_RAD_RARE_M1", "^F_RAD_RARE_M2", "^F_RAD_RARE_L1", "^F_RAD_RARE_XL", "^F_RAD_EPIC_S1", "^F_RAD_EPIC_M1", "^F_RAD_EPIC_L1", "^F_RAD_EPIC_XL", "^F_RAD_LEG_S1", "^F_RAD_LEG_M1", "^F_RAD_LEG_L1", "^F_RAD_LEG_XL", "^F_HOT_COM_S1", "^F_HOT_COM_S2", "^F_HOT_COM_S3", "^F_HOT_COM_M1", "^F_HOT_COM_M2", "^F_HOT_COM_L1", "^F_HOT_COM_XL", "^F_HOT_RARE_S1", "^F_HOT_RARE_S2", "^F_HOT_RARE_M1", "^F_HOT_RARE_M2", "^F_HOT_RARE_L1", "^F_HOT_RARE_XL", "^F_HOT_EPIC_S1", `"^F_HOT_EPIC_M1",...