You may see this error when compiling an Intel® OpenCL kernel file (*.cl) which uses “altera” as its function name.
Intel Software: Intel FPGA SDK for OpenCL
Last Modified: November 27, 2017
Version Found: v16.0
Bug ID: FB: 444750;
Open the kernel file name in a text editor and replace all instances of the “altera” name with “intel” for example: