Agilent Technologies E4406A VSA Series Programmer's Manual page 392

Error Messages
Error Message Descriptions
(-274) Macro parameter error
Indicates that the macro definition improperly used a
macro parameter place holder (see IEEE 488.2, 10.7.3).
(-273) Illegal macro label
Indicates that the macro label defined in the *DMC
command was a legal string syntax, but could not be
accepted by the device (see IEEE 488.2, 10.7.3 and
10.7.6.2) (for example, the label was too long, the same
as a common command header, or contained invalid
header syntax).
(-272) Macro execution error
Indicates that a syntactically legal macro program data
sequence could not be executed due to an error within
the macro definition (see IEEE 488.2, 10.7.6.3).
(-261) Math error in expression
Indicates that a syntactically legal expression program
data element could not be executed due to a math error
(for example, a divide-by-zero was attempted). The
definition of a math error is device-specific.
(-260) Expression error
Indicates that an expression data element related error
occurred. This error message is used when the device
cannot detect more specific errors.
(-258) Media protected
Indicates that the device or user has attempted to write
to a read-only memory subsystem (msus). The
definition of a protected media is device-specific.
(-257) File name error
Indicates that a legal program command or query could
not be executed because a file name on the device media
was in error (for example, an attempt was made to copy
to a duplicate filename). The definition of what
constitutes a file name error is device-specific.
(-256) File name not found
Indicates that a legal program command or query could
not be executed because the file name on the device
media could not be found (for example, an attempt was
made to read or copy a nonexistent file). The definition
of what constitutes a file not being found is
device-specific.
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