i'm in trouble, i can't find my fault wiht 10500errors help me

Info: *******************************************************************

Info: Running Quartus II 64-Bit Analysis & Synthesis

Info: Version 13.1.0 Build 162 10/23/2013 SJ Web Edition

Info: Processing started: Wed Jun 14 06:40:16 2017

Info: Command: quartus_map --read_settings_files=on --write_settings_files=off slotmachine -c slotmachine

Info (20030): Parallel compilation is enabled and will use 4 of the 4 processors detected

Error (10500): VHDL syntax error at slotmachine.vhd(152) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(169) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(186) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(203) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(214) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(232) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(249) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(267) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(278) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(282) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(288) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(292) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(296) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(300) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(304) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(308) near text "when"; expecting "end", or "(", or an identifier ("when" is a reserved keyword), or a sequential statement

Error (10500): VHDL syntax error at slotmachine.vhd(317) near text "process"; expecting "if"

Error (10500): VHDL syntax error at slotmachine.vhd(321) near text "begin"; expecting ":=", or "<="

Error (10500): VHDL syntax error at slotmachine.vhd(476) near text "process"; expecting "if"

Info (12021): Found 0 design units, including 0 entities, in source file slotmachine.vhd

Error: Quartus II 64-Bit Analysis & Synthesis was unsuccessful. 19 errors, 0 warnings

Error: Peak virtual memory: 543 megabytes

Error: Processing ended: Wed Jun 14 06:40:19 2017

Error: Elapsed time: 00:00:03

Error: Total CPU time (on all processors): 00:00:01

Error (293001): Quartus II Full Compilation was unsuccessful. 21 errors, 0 warnings