Error: "exec(): 0509-036 Cannot load program sp_cop because of the following errors:" (4273827)

I cannot start cop:

"exec(): 0509-036 Cannot load program sp_cop because of the following errors:
0509-130 Symbol resolution failed for sp_cop because:
0509-136 Symbol obindps (number 189) is not exported from
dependent module /var/adm/.splex/V-5.1/lib92/libclntsh.a(shr.o).
0509-136 Symbol obndrn (number 190) is not exported from
dependent module /var/adm/.splex/V-5.1/lib92/libclntsh.a(shr.o)"

Create a symbolic link libclntsh.a:

ln -s /var/adm/.splex/V-<version>/lib<Oracle version>/libclntsh.a <ORACLE_HOME>/lib/libclntsh.a