I haven't looked into what is causing this yet, but I thought the message may be self explanatory to you. Please let me know if you need more. Thanks!
============================================================================== Assertion failed: get_height() == 1 in Function: l1 in file: PrintBuffer.hh:98 Call stack: ---------------------------------------- -- Stack trace at PrintBuffer.hh:98 ---------------------------------------- 0x7f00db38ede5 __libc_start_main 0x435a55 main 0x52b4ad Workspace::immediate_execution(bool) 0x46526d Command::process_line() 0x464019 Command::process_line(UCS_string&) 0x46eb58 Executable::execute_body() const 0x4e5260 StateIndicator::run() 0x49197a Prefix::reduce_statements() 0x48d98e Prefix::reduce_V_ASS_B_() 0x502498 Quad_QUOTE::assign(Value_P, char const*) 0x434732 0x443b7f do_Assert(char const*, char const*, char const*, int) ======================================== SI stack: Depth: 6 Exec: 0x25f1a98 Safe ex: no Pmode: ∇ Edit[4] PC: 24 ⍴ Stat: →(EHN CS t←,⍞,0⍴⍞←p⍴' ')/END,HP,0 err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' Depth: 5 Exec: 0x25b29b8 Safe ex: no Pmode: ∇ Change[4] PC: 55 'q← Stat: q←Edit Mat[''⍴L;] err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' Depth: 4 Exec: 0x264c290 Safe ex: no Pmode: ⍎ Change PC: 1 RETURN_EXEC Stat: Change err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' Depth: 3 Exec: 0x2621dc8 Safe ex: no Pmode: ∇ Estart[15] PC: 96 'ER2 Stat: →(L<⍴Mat)/ER1,ER2 err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' Depth: 2 Exec: 0x25df3a0 Safe ex: no Pmode: ◊ 30 80 Estart ⎕CR 'Pim' PC: 4 ENDL Stat: 30 80 Estart ⎕CR 'Pim' err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' Depth: 1 Exec: 0x26664d8 Safe ex: no Pmode: ∇ auto[11] PC: 58 ENDL Stat: start err_code: 0x30001 thrown: at Symbol.cc:681 e_msg_1: 'VALUE ERROR' e_msg_2: 'auto[11] start' e_msg_3: ' ^' Depth: 0 Exec: 0x26097a0 Safe ex: no Pmode: ◊ auto PC: 1 ENDL Stat: auto err_code: 0x0 thrown: at StateIndicator.cc:41 e_msg_1: 'No Error' e_msg_2: '' e_msg_3: '' ==============================================================================