The class of error signaled when loading a file which is not a proper fasl file.
hcl
simple-error
file-error
stream-error
The condition class fasl-error
is used by load and load-data-file to signal an error when the file is not a proper binary file ("fasl file"), or seems to be corrupted.
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:35