2936064 - SAP HANA does not start due to unsupported special characters in configuration file

You are starting SAP HANA system and indexserver fails with an exception similar to the following:

[214457]{-1}[-1/-1] 2020-06-07 13:58:57.075754 e assign TREXIndexServer.cpp(01943) : assign failed with ltt exception. stopping service... :
exception 1: no.1000087 (ltt/ios.hpp:573)
 basic_ios::clear
exception throw location:
 1: 0x00007f4b260ea5ca in ltt::throwIOSFailure(char const*, int, char const*)+0x36 at ios.cpp:47 (libhdblttbase.so)
 2: 0x00007f4b46b78561 in ltt::basic_ios<char, ltt::char_traits<char> >::clear(ltt::impl::ios_bitmask_t<unsigned int, ltt::ios_constants::IosIOState>)+0x40 at ios.hpp:573 (libhdbcalcengine.so)
 3: 0x00007f4b46fb1f62 in ltt::basic_istream<char, ltt::char_traits<char> >& ltt::impl::istreamExtract<char, ltt::char_traits<char>, unsigned long>(ltt::basic_istream<char, ltt::char_traits<char> >&, unsigned long&)+0x80 at ios.hpp:579 (libhdbcalcengine.so)
 4: 0x00007f4b46fec7ff in TrexCalculationEngine::SettingsController::readConfig()+0xb1b at istream.hpp:189 (libhdbcalcengine.so)
 5: 0x00007f4b46f35fdc in TrexCalculationEngine::CalculationEngineManager::getInstance()+0x748 at ceSettingsController.cpp:37 (libhdbcalcengine.so)
 6: 0x000055f2b1fd13ed in TrexCalculationEngine::CalculationEngineComponent::assign(NameServer::ServiceStartInfo&)+0x9 at CalculationEngineComponent.cpp:35 (hdbindexserver)
 7: 0x00007f4b2940c6e0 in TrexService::ComponentManager::assignComponent(TrexService::Component&, NameServer::ServiceStartInfo&)+0x110 at smartptr_handle.hpp:513 (libhdbbasement.so)
 8: 0x000055f2b1f91391 in TRexAPI::TREXIndexServer::assign(NameServer::ServiceStartInfo&, bool, TREX_ERROR::TRexError&)+0xb50 at TREXIndexServer.cpp:1459 (hdbindexserver)
 9: 0x000055f2b1faad8a in TRexAPI::AssignThread::run(void*)+0x46 at TREXIndexServer.cpp:538 (hdbindexserver)
10: 0x00007f4b2944b7d2 in TrexThreads::PoolThread::run()+0x710 at PoolThread.cpp:464 (libhdbbasement.so)
11: 0x00007f4b2944e1d6 in TrexThreads::PoolThread::run(void*&)+0x12 at PoolThread.cpp:144 (libhdbbasement.so)
12: 0x00007f4b26738dc6 in Execution::Thread::staticMainImp(void**)+0x3f2 at Thread.cpp:540 (libhdbbasis.so)
13: 0x00007f4b26739526 in Execution::Thread::staticMain(void*)+0x22 at ThreadMain.cpp:31 (libhdbbasis.so)
14: 0x00007f4b267361b9 in Execution::pthreadFunctionWrapper(Execution::PthreadWrapperInfo*)+0x375 at Thread.cpp:1083 (libhdbbasis.so)
15: 0x00007f4b26211724 in start_thread+0xc0 (libpthread.so.0)
16: 0x00007f4b24e9fe8d in __clone+0x69 (libc.so.6)
[214034]{-1}[-1/-1] 2020-06-07 13:58:57.527922 i Service_Shutdown TrexService.cpp(00679) : Preparing for shutting service down

SAP HANA, platform edition

exception, fails to start, doesn't start, does not start, hdbindexserver, yellow status, red status, hdbdaemon, index server, mdc , KBA , HAN-DB-ENG , SAP HANA DB Engines , Problem