Errors with a number < 0 are not trappable by the try/catch statement.

|Error|Number|Text|
|ERROR_ARGUMENTCOUNT|-5|Number of arguments passed does not match FUNCTION/SUBROUTINE definition|
|ERROR_ARRAYELEMENT|106|Element of array %VARNAME% has not been assigned a value|
|ERROR_ARRAYEVEN|12|Array data must be one dimensional with an even number of elements or two dimemsional with two elements in each row|
|ERROR_ARRAYEXPR|120|Array Expression Expected.|
|ERROR_ARRAYINDEX|15|Array %VARNAME% index out of bounds|
|ERROR_ARRAYINDEXMISSING|62|Array variable %VARNAME% has no value without an index|
|ERROR_ARRAYLENGTH2D|83|Can not get a single length of a two dimensional array|
|ERROR_ARRAYNITEMS|14|Array %VARNAME% rows must have the same number of items|
|ERROR_ARRAYSIZELARGE|10|Array %VARNAME% dimension too large|
|ERROR_ARRAYSIZESMALL|11|Array %VARNAME% dimension too small|
|ERROR_ASINACOSRANGE|117|Unable to calculate the arc-sine or arc-cosine of a value outside the interval [-1.0, +1.0]|
|ERROR_BOOLEANCONV|119|Unable to convert to a Boolean|
|ERROR_DBCOLNO|33|Column number out of range or column name not in data set|
|ERROR_DBCONNNUMBER|56|Invalid Database Connection Number|
|ERROR_DBNOTOPEN|32|Database must be opened first|
|ERROR_DBNOTSET|34|Record set must be opened first|
|ERROR_DBNOTSETROW|59|You must advance the data set using DBROW before you can read data from it|
|ERROR_DBOPEN|30|Unable to open SQLITE database|
|ERROR_DBQUERY|31|Database query error (message follows)|
|ERROR_DBSETNUMBER|58|Invalid data set number|
|ERROR_DIVZERO|50|Division by zero|
|ERROR_DOWNLOAD|93|Error downloading file|
|ERROR_ENVELOPEMAX|97|It was exceeded the maximum length of an envelope, which is 20 seconds|
|ERROR_ENVELOPEODD|96|Envelope data must contain at least 4 elements and an odd number of elements|
|ERROR_EXPECTEDARRAY|84|Expected array|
|ERROR_EXPECTEDSOUND|94|Expected sound|
|ERROR_FILENOTOPEN|7|File not open|
|ERROR_FILENUMBER|5|Invalid File Number|
|ERROR_FILEOPEN|6|Unable to open file|
|ERROR_FILEOPERATION|78|Can not perform that operation on a Serial Port|
|ERROR_FILERESET|9|Unable to reset file|
|ERROR_FILEWRITE|8|Unable to write to file|
|ERROR_FOLDER|28|Invalid directory name|
|ERROR_FREEDB|55|There are no free database connections to allocate|
|ERROR_FREEDBSET|57|There are no free data sets to allocate for that database connection|
|ERROR_FREEFILE|53|There are no free file numbers to allocate|
|ERROR_FREENET|54|There are no free network connections to allocate|
|ERROR_HARMONICLIST|99|Harmonics list must be one dimensional array with an even number of elements or two dimemsional array with two elements in each row|
|ERROR_HARMONICNUMBER|98|Harmonic number must be an integer greater than zero|
|ERROR_IMAGEFILE|24|Unable to load image file|
|ERROR_IMAGERESOURCE|87|Specified image resource not found|
|ERROR_IMAGESAVETYPE|47|Invalid image save type|
|ERROR_IMAGESCALE|63|Image scale must be greater than or equal to zero|
|ERROR_INFINITY|29|Operation returned infinity|
|ERROR_INTEGERRANGE|81|Number exceeds integer range (|
|ERROR_INVALIDKEYNAME|110|Invalid key name|
|ERROR_INVALIDPROGNAME|109|Invalid program name|
|ERROR_INVALIDRESOURCE|89|Specified resource not found|
|ERROR_LOGRANGE|68|Unable to calculate the logarithm of a number less than or equal to 0|
|ERROR_LONGRANGE|80|Number exceeds long integer range (|
|ERROR_MAXRECURSE|-6|Maximum levels of recursion exceeded|
|ERROR_NETACCEPT|44|Unable to accept network connection|
|ERROR_NETBIND|43|Unable to bind network socket|
|ERROR_NETCONN|38|Unable to connect to network host|
|ERROR_NETHOST|37|Error finding network host|
|ERROR_NETNONE|40|Network connection has not been opened|
|ERROR_NETREAD|39|Unable to read from network connection|
|ERROR_NETSOCK|36|Error opening network socket|
|ERROR_NETSOCKNUMBER|45|Invalid Socket Number|
|ERROR_NETSOCKOPT|42|Unable to set network socket options|
|ERROR_NETWRITE|41|Unable to write to network connection|
|ERROR_NEXTNOFOR|115|Next without FOR|
|ERROR_NONE|0||
|ERROR_NOSUCHFUNCTION|-13|No such FUNCTION %VARNAME%|
|ERROR_NOSUCHLABEL|-1|No such label %VARNAME%|
|ERROR_NOSUCHSUBROUTINE|-12|No such SUBROUTINE %VARNAME%|
|ERROR_NOTARRAY|-3|Variable %VARNAME% is not an array|
|ERROR_NOTIMPLEMENTED|65535|Feature not implemented in this environment|
|ERROR_NUMBERCONV|35|Unable to convert to number|
|ERROR_NUMBEREXPR|121|Numeric Expression Expected.|
|ERROR_ONEDIMENSIONAL|103|Expects one dimensional array or one dimensional list of elements|
|ERROR_ONERRORSUB|-14|SUBROUTINE %VARNAME% expects arguments and therefore can not be used by ONERROR statement|
|ERROR_PENWIDTH|60|Drawing pen width must be a non-negative number|
|ERROR_PERMISSION|46|You do not have permission to use this statement/function|
|ERROR_POLYPOINTS|23|Not enough points in array for poly()/stamp()|
|ERROR_PRINTERNOTOFF|72|Printing is already on|
|ERROR_PRINTERNOTON|71|Printer is not on|
|ERROR_PRINTEROPEN|73|Unable to open printer|
|ERROR_RADIX|67|Unable to convert radix string back to a decimal number|
|ERROR_RADIXSTRING|66|Unable to convert radix string back to a decimal number|
|ERROR_REFNOTASSIGNED|113|Variable %VARNAME% refers to an unassigned variable|
|ERROR_REFNOTASSIGNED|113|Variable %VARNAME% refers to an unassigned variable|
|ERROR_RGB|20|RGB Color values must be in the range of 0 to 255|
|ERROR_SERIALPARAMETER|79|Invalid serial port parameter|
|ERROR_SETTINGMAXKEYS|112|The maximum number of keys for this program has been exceeded|
|ERROR_SETTINGMAXLEN|111|Setting string exceeds maximum length of 16,383 characters|
|ERROR_SETTINGSGETACCESS|107|The program does not have permission to read settings from other program. Check access level from 'Preferences' panel|
|ERROR_SETTINGSSETACCESS|108|The program does not have permission to write settings for other program. Check access level from 'Preferences' panel|
|ERROR_SLICESIZE|82|Invalid Slice dimensions|
|ERROR_SOUNDERROR|102||
|ERROR_SOUNDFILE|90|Unable to load sound file|
|ERROR_SOUNDFILEFORMAT|101||
|ERROR_SOUNDLENGTH|92||
|ERROR_SOUNDNOTSEEKABLE|91||
|ERROR_SOUNDRESOURCE|88|Specified sound resource not found|
|ERROR_SPRITENA|26|Sprite has not been assigned|
|ERROR_SPRITENUMBER|25|Sprite number out of range|
|ERROR_SPRITESLICE|27|Unable to slice image|
|ERROR_SQRRANGE|116|Unable to calculate the root of a negative number|
|ERROR_STACKUNDERFLOW|-7|Stack Underflow Error|
|ERROR_STRING2NOTE|105|Unable to convert string to musical note|
|ERROR_STRINGCONV|118|Unable to convert to a string|
|ERROR_STRINGEXPR|122|String Expression Expected.|
|ERROR_STRINGMAXLEN|69|String exceeds maximum length of 16,777,216 characters|
|ERROR_STRSTART|17|Starting position less than zero|
|ERROR_TOOMANYSOUNDS|95|Too many sound instances|
|ERROR_UNEXPECTEDRETURN|114|Unexpected RETURN|
|ERROR_UNSERIALIZEFORMAT|-11|Unable to UnSerialize string|
|ERROR_VARCIRCULAR|86|Circular reference in variable %VARNAME%|
|ERROR_VARNOTASSIGNED|13|Variable %VARNAME% has not been assigned a value|
|ERROR_VARNULL|85|Variable %VARNAME% refers to a non-existent variable|
|ERROR_WAVEFORMLOGICAL|104|Creating custom waveform using logical coordinates it request at least 3 elements|
|ERROR_WAVOBSOLETE|100||

Warnings are not trappable but you may go to "preferences" to change the run-time behavior of many of these.

|Warning|Number|Text|
|WARNING_ARRAYELEMENT|0|Element of array %VARNAME% has not been assigned a value|
|WARNING_BOOLEANCONV|0|Unable to convert to a Boolean, false used|
|WARNING_INTEGERRANGE|0|Number exceeds integer range (|
|WARNING_LONGRANGE|0|Number exceeds long integer range (|
|WARNING_NUMBERCONV|0|Unable to convert string to number, zero used|
|WARNING_REFNOTASSIGNED|0|Variable %VARNAME% refers to an unassigned variable|
|WARNING_SOUNDERROR|0|Unable to play the sound|
|WARNING_SOUNDFILEFORMAT|0|Unable to play the selected file|
|WARNING_SOUNDLENGTH|0|Duration is not available for media file|
|WARNING_SOUNDNOTSEEKABLE|0|Media file is not seekable|
|WARNING_START|65536||
|WARNING_STRING2NOTE|0||
|WARNING_STRINGCONV|0|Unable to convert to a string, '' used|
|WARNING_VARNOTASSIGNED|0|Variable %VARNAME% has not been assigned a value|
|WARNING_WAVOBSOLETE|0|WAVPLAY suite is obsolete. Use SOUND/SOUNDPLAY/SOUNDPLAYER instead|

==== History ==== 
|2.0.0.0|Added to Documentation|