Each of the following expressions will result in an error if executed. Explain the error.

$\backslash$table$[[,$Evaluate$/$Calculate$,$Value$],[23,$length$($ComPuTer$),],[24,$indexOf$(["$N$","$M$","$P$")],"$T$"),],[25,$char$("$ComPuTer$",4),],[26,$slice$("$ComPuTer$",7,4),],[27,$toUpperCase$($ComPuTer$),],[28,$tolowercase$("$ComPuTer$"),],[29,$split$("$ABC$-$TSR$-123",-),],[30,$A$[-1],],[31,$C$[5],],[32,$join$(["$A$","$B$","$C$","$D$"],"-"),]]$