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!
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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: ''
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