The blocking of certain EU funds for Romania

The European Commission has discontinued the payments to Romania for two financing axes — Axis I and Axis IV — of the Sectoral Operational Programme ‘Increasing Economic Competitiveness’ (SOP IEC), which comes after the discontinuation decided for Axis III — IT&C — of the programme, in force since December 2014. Also, another payment discontinuation has been noted for Axis V of the SOP ‘Environment.’ Given that the Ministry for European Funds has not communicated the reasons that determined the blocking of these programmes:

What is the Commission’s position regarding the actual reasons that led to the blocking of the said axes?