Structure and routing assets are nonetheless obtainable, however format fails.

The Quartus error is as follows:

Error (170143): Closing becoming try was unsuccessful
Data (170138): Did not route the next 2 sign(s)
Data (170139): Sign “tic:tic0|Add3~1”
Data (170139): Sign “tic:tic0|WideOr2~2”
Data (170140): Can’t match design in system — following 2 routing useful resource(s) wanted by a couple of sign over the last becoming try
Data (170141): Routing useful resource LAB Enter (X48_Y30, I17)
Data (170141): Routing useful resource LAB Enter (X48_Y30, I48)

Error (11802): Cannot match design in system. Modify your design to scale back assets, or select a bigger system. The Intel FPGA Data Database incorporates many articles with particular particulars on find out how to resolve this error. Go to the Data Database at https://www.altera.com/help/support-resources/knowledge-base/search.html and seek for this particular error message quantity.

What are the doable causes for becoming failure?