Could not find rtl_work.TB.vhd

I've changed it on all .vhdl, but unfortunatelly:

error (10481): vhdl use clause error at producten.vhd(3): design library "work" does not contain primary unit "fixed_package"

error (10800): vhdl error at producten.vhd(3): selected name in use clause is not an expanded name

error (10481): vhdl use clause error at pack.vhd(9): design library "work" does not contain primary unit "fixed_package"

error (10800): vhdl error at pack.vhd(9): selected name in use clause is not an expanded name

Error: Quartus II 32-bit Analysis & Synthesis was unsuccessful. 4 errors, 1 warning

Error: Peak virtual memory: 316 megabytes

Error: Processing ended: Thu Sep 13 20:40:22 2012

Error: Elapsed time: 00:00:02

Error: Total CPU time (on all processors): 00:00:02

Error (293001): Quartus II Full Compilation was unsuccessful. 6 errors, 1 warning

The target of the error is: use work.fixed_package.all;