(Bloomberg) -- S&P Global Ratings cut its credit grade on Solera further into junk, as the Vista Equity Partners-backed software company struggles with a high debt load and negative cash flow.Most Read from BloombergICE Eyes Massive California Tent Facility Amid Space ConstraintsHow Britain’s Most Bike-Friendly New Town Got BuiltThe Dark Prophet of Car-Clogged CitiesWashington, DC, Region Braces for ‘Devastating’ Cuts from CongressNYC Plans for Flood Protection Without Federal FundsS&P downgrade